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Contemporary Clinical Trials accepts for consideration manuscripts containing
original material if neither the article nor any part of its essential substance, tables, or figures has been or will be published or
is currently submitted elsewhere before appearing in Contemporary Clinical Trials. This restriction does not apply to abstracts
or press reports published in connection with scientific meetings.
Types of papers
Beside Full Length Articles, Contemporary Clinical Trials invites Short Communications (manuscripts of
1500 or fewer words, excepting references, tables and figures) and Letters to the Editor (500 or fewer words, 12 or fewer references)
for possible publication.
Contact details for submission
For each submission
please make sure to complete and attach the author agreement form provided through the system. Credit for authorship requires substantial
contributions to: (a) conception and design, or analysis and interpretation of data; and (b) the drafting of the article or critical
revision for important intellectual content.
For questions please contact Beth Kazol, Managing Editor, 64 East Elm Street, Suite
One, Chicago, IL 60611, USA. E-mail: BKazolCCT@gmail.com.
PLEASE MAKE SURE TO ADHERE TO THE FOLLOWING WORD LIMITS:
Full length papers
Abstract: max. 250 words
Introduction: max. 500 words
Discussion-section: max. 1500 words
Note: There are no word limits for the other sections of the paper.
Short Communications
Overall 1500 or fewer words,
excepting references, tables and figures.
Letters to the Editor
Overall 500 or fewer words, 12 or fewer references.
Ethics in Publishing
For information on Ethics in Publishing and Ethical guidelines for journal publication
see http://www.elsevier.com/publishingethics and http://www.elsevier.com/ethicalguidelines.
Policy and ethics
The work described in your article must have been carried out in accordance with The
Code of Ethics of the World Medical Association (Declaration of Helsinki) for experiments involving humans http://www.wma.net/e/policy/b3.htm; EC Directive 86/609/EEC for animal experiments http://ec.europa.eu/environment/chemicals/lab_animals/legislation_en.htm; Uniform Requirements for manuscripts submitted to Biomedical journals http://www.icmje.org. This must be stated
at an appropriate point in the article.
Conflict of interest
All authors
are requested to disclose any actual or potential conflict of interest including any financial, personal or other relationships with
other people or organizations within three years of beginning the submitted work that could inappropriately influence, or be perceived
to influence, their work. See also http://www.elsevier.com/conflictsofinterest.
Submission declaration
Submission of an article implies that the work described has not been published previously (except
in the form of an abstract or as part of a published lecture or academic thesis), that it is not under consideration for publication
elsewhere, that its publication is approved by all authors and tacitly or explicitly by the responsible authorities where the work was
carried out, and that, if accepted, it will not be published elsewhere in the same form, in English or in any other language, without
the written consent of the copyright-holder.
Copyright
Upon acceptance
of an article, authors will be asked to complete a 'Journal Publishing Agreement' (for more information on this and copyright see http://www.elsevier.com/copyright).
Acceptance of the agreement will ensure the widest possible dissemination of information. An e-mail will be sent to the corresponding
author confirming receipt of the manuscript together with a 'Journal Publishing Agreement' form or a link to the online version of this
agreement.
Subscribers may reproduce tables of contents or prepare lists of articles including abstracts for internal circulation
within their institutions. Permission of the Publisher is required for resale or distribution outside the institution and for all other
derivative works, including compilations and translations (please consult http://www.elsevier.com/permissions). If excerpts
from other copyrighted works are included, the author(s) must obtain written permission from the copyright owners and credit the source(s)
in the article. Elsevier has preprinted forms for use by authors in these cases: please consult http://www.elsevier.com/permissions.
Retained author rights
As an author you (or your employer or institution) retain certain rights; for details
you are referred to: http://www.elsevier.com/authorsrights.
Role of the
funding source
You are requested to identify who provided financial support for the conduct of the research and/or preparation
of the article and to briefly describe the role of the sponsor(s), if any, in study design; in the collection, analysis and interpretation
of data; in the writing of the report; and in the decision to submit the paper for publication. If the funding source(s) had no such
involvement then this should be stated. Please see http://www.elsevier.com/funding.
Funding body agreements and policies
Elsevier has established agreements and developed policies to allow authors whose
articles appear in journals published by Elsevier, to comply with potential manuscript archiving requirements as specified as conditions
of their grant awards. To learn more about existing agreements and policies please visit http://www.elsevier.com/fundingbodies.
Language and language services
Please write your text in good English (American or British usage is accepted,
but not a mixture of these). Authors who require information about language editing and copyediting services pre- and post-submission
please visit http://www.elsevier.com/languagepolishing or our customer support site at http://epsupport.elsevier.com
for more information. Please note Elsevier neither endorses nor takes responsibility for any products, goods or services offered by outside
vendors through our services or in any advertising. For more information please refer to our Terms & Conditions: http://www.elsevier.com/termsandconditions.
Patient details
Unless you have written permission from the patient (or, where applicable, the next
of kin), the personal details of any patient included in any part of the article and in any supplementary materials (including all illustrations
and videos) must be removed before submission. For further information see http://www.elsevier.com/patientphotographs.
Submission
Submission to this journal proceeds totally online and you will be guided stepwise through the
creation and uploading of your files. The system automatically converts source files to a single PDF file of the article, which is used
in the peer-review process. Please note that even though manuscript source files are converted to PDF files at submission for the review
process, these source files are needed for further processing after acceptance. All correspondence, including notification of the Editor's
decision and requests for revision, takes place by e-mail removing the need for a paper trail.
Referees
The author must suggest 5 peer reviewers in the field for consideration by the editorial staff.
Additional information
Submission Categories & Reviewers: When submitting a manuscript to Contemporary
Clinical Trials, the author will need to assign it to one of the following major categories:
• Clinical Trial Results
•
Special Interest Paper
• Clinical Trial Management & Optimization
• Patient Recruitment
• Patient Registries
• Study Design, Statistical Design, Study Protocols
Please make sure to adhere to the following word limits:
Abstract:
max. 250 words
Introduction: max. 500 words
Discussion: max. 1500 words
Use of wordprocessing software
It is important that the file be saved
in the native format of the wordprocessor used. The text should be in single-column format. Keep the layout of the text as simple as
possible. Most formatting codes will be removed and replaced on processing the article. In particular, do not use the wordprocessor's
options to justify text or to hyphenate words. However, do use bold face, italics, subscripts, superscripts etc. Do not embed "graphically
designed" equations or tables, but prepare these using the wordprocessor's facility. When preparing tables, if you are using a table
grid, use only one grid for each individual table and not a grid for each row. If no grid is used, use tabs, not spaces, to align columns.
The electronic text should be prepared in a way very similar to that of conventional manuscripts (see also the Guide to Publishing with
Elsevier: http://www.elsevier.com/guidepublication). Do not import the figures into the text file but, instead, indicate
their approximate locations directly in the electronic text and on the manuscript. See also the section on Electronic illustrations.
To avoid unnecessary errors you are strongly advised to use the "spell-check" and "grammar-check" functions of your wordprocessor.
Introduction
State the objectives of the work and provide an adequate background, avoiding a detailed
literature survey or a summary of the results.
Material and methods
Provide
sufficient detail to allow the work to be reproduced. Methods already published should be indicated by a reference: only relevant modifications
should be described.
Results
Results should be clear and concise.
Discussion
This should explore the significance of the results of the work, not repeat them. A combined
Results and Discussion section is often appropriate. Avoid extensive citations and discussion of published literature.
Conclusions
The main conclusions of the study may be presented in a short Conclusions section, which
may stand alone or form a subsection of a Discussion or Results and Discussion section.
Appendices
If there is more than one appendix, they should be identified as A, B, etc. Formulae and equations in
appendices should be given separate numbering: Eq. (A.1), Eq. (A.2), etc.; in a subsequent appendix, Eq. (B.1) and so on.
Essential title page information
•
Title.
Concise and informative. Titles are often
used in information-retrieval systems. Avoid abbreviations and formulae where possible.
•
Author names and affiliations.
Where the family name may be ambiguous (e.g., a double name), please indicate this clearly. Present the authors' affiliation addresses
(where the actual work was done) below the names. Indicate all affiliations with a lower-case superscript letter immediately after the
author's name and in front of the appropriate address. Provide the full postal address of each affiliation, including the country name,
and, if available, the e-mail address of each author.
•
Corresponding author.
Clearly indicate who will handle
correspondence at all stages of refereeing and publication, also post-publication. Ensure that telephone and fax numbers (with country
and area code) are provided in addition to the e-mail address and the complete postal address.
•
Present/permanent
address.
If an author has moved since the work described in the article was done, or was visiting at the time, a "Present address"
(or "Permanent address") may be indicated as a footnote to that author's name. The address at which the author actually did the work
must be retained as the main, affiliation address. Superscript Arabic numerals are used for such footnotes.
Abstract
A concise and factual abstract is required. The abstract should state briefly the purpose of the
research, the principal results and major conclusions. An abstract is often presented separately from the article, so it must be able
to stand alone. For this reason, References should be avoided, but if essential, then cite the author(s) and year(s). Also, non-standard
or uncommon abbreviations should be avoided, but if essential they must be defined at their first mention in the abstract itself.
Keywords
Immediately after the abstract, provide a maximum of 6 keywords, using American spelling and avoiding
general and plural terms and multiple concepts (avoid, for example, "and", "of"). Be sparing with abbreviations: only abbreviations firmly
established in the field may be eligible. These keywords will be used for indexing purposes.
Abbreviations
Define abbreviations that are not standard in this field in a footnote to be placed on the first page of
the article. Such abbreviations that are unavoidable in the abstract must be defined at their first mention there, as well as in the
footnote. Ensure consistency of abbreviations throughout the article.
Acknowledgements
Collate acknowledgements in a separate section at the end of the article before the references and do not, therefore, include
them on the title page, as a footnote to the title or otherwise. List here those individuals who provided help during the research (e.g.,
providing language help, writing assistance or proof reading the article, etc.).
Footnotes
Footnotes should be used sparingly. Number them consecutively throughout the article, using superscript Arabic numbers. Many
wordprocessors build footnotes into the text, and this feature may be used. Should this not be the case, indicate the position of footnotes
in the text and present the footnotes themselves separately at the end of the article. Do not include footnotes in the Reference list.
Table footnotes
Indicate each footnote in a table with a superscript lowercase letter.
Artwork
Electronic artwork
General points
• Make sure you use uniform lettering and sizing of your original artwork.
• Save text in illustrations as "graphics"
or enclose the font.
• Only use the following fonts in your illustrations: Arial, Courier, Times, Symbol.
• Number
the illustrations according to their sequence in the text.
• Use a logical naming convention for your artwork files.
•
Provide captions to illustrations separately.
• Produce images near to the desired size of the printed version.
• Submit
each figure as a separate file.
A detailed guide on electronic artwork is available on our website:
http://www.elsevier.com/artworkinstructions
You are urged to visit this site; some excerpts from the detailed information are given here.
Formats
Regardless
of the application used, when your electronic artwork is finalised, please "save as" or convert the images to one of the following formats
(note the resolution requirements for line drawings, halftones, and line/halftone combinations given below):
EPS: Vector drawings.
Embed the font or save the text as "graphics".
TIFF: color or grayscale photographs (halftones): always use a minimum of 300 dpi.
TIFF: Bitmapped line drawings: use a minimum of 1000 dpi.
TIFF: Combinations bitmapped line/half-tone (color or grayscale): a
minimum of 500 dpi is required.
DOC, XLS or PPT: If your electronic artwork is created in any of these Microsoft Office applications
please supply "as is".
Please do not:
• Supply embedded graphics in your wordprocessor (spreadsheet, presentation)
document;
• Supply files that are optimised for screen use (like GIF, BMP, PICT, WPG); the resolution is too low;
•
Supply files that are too low in resolution;
• Submit graphics that are disproportionately large for the content.
Color artwork
Please make sure that artwork files are in an acceptable format (TIFF, EPS or MS Office
files) and with the correct resolution. If, together with your accepted article, you submit usable color figures then Elsevier will ensure,
at no additional charge, that these figures will appear in color on the Web (e.g., ScienceDirect and other sites) regardless of whether
or not these illustrations are reproduced in color in the printed version. For color reproduction in print, you will receive information
regarding the costs from Elsevier after receipt of your accepted article. Please indicate your preference for color in print or on
the Web only. For further information on the preparation of electronic artwork, please see http://www.elsevier.com/artworkinstructions.
Please note: Because of technical complications which can arise by converting color figures to "gray scale" (for the printed version
should you not opt for color in print) please submit in addition usable black and white versions of all the color illustrations.
Figure captions
Ensure that each illustration has a caption. Supply captions separately, not attached
to the figure. A caption should comprise a brief title (not on the figure itself) and a description of the illustration. Keep
text in the illustrations themselves to a minimum but explain all symbols and abbreviations used.
Tables
Number tables consecutively in accordance with their appearance in the text. Place footnotes to tables below the
table body and indicate them with superscript lowercase letters. Avoid vertical rules. Be sparing in the use of tables and ensure that
the data presented in tables do not duplicate results described elsewhere in the article.
References
Citation in text
Please ensure that every reference
cited in the text is also present in the reference list (and vice versa). Any references cited in the abstract must be given in full.
Unpublished results and personal communications are not recommended in the reference list, but may be mentioned in the text. If these
references are included in the reference list they should follow the standard reference style of the journal and should include a substitution
of the publication date with either "Unpublished results" or "Personal communication" Citation of a reference as "in press" implies that
the item has been accepted for publication.
Web references
As a minimum,
the full URL should be given. Any further information, if known (DOI, author names, dates, reference to a source publication, etc.),
should also be given. Web references can be listed separately (e.g., after the reference list) under a different heading if desired,
or can be included in the reference list.
References in a special issue
Please ensure that the words 'this issue' are added to any references in the list (and any citations in the text) to other articles
in the same Special Issue.
Reference style
Text: Indicate
references by number(s) in square brackets in line with the text. The actual authors can be referred to, but the reference number(s)
must always be given.
List: Number the references (numbers in square brackets) in the list in the order in which they appear
in the text.
Examples:
Reference to a journal publication:
[1] Van der Geer J, Hanraads JAJ, Lupton RA. The art
of writing a scientific article. J Sci Commun 2000;163:51-9.
Reference to a book:
[2] Strunk Jr W, White EB. The elements of
style. 3rd ed. New York: Macmillan; 1979.
Reference to a chapter in an edited book:
[3] Mettam GR, Adams LB. How to prepare an
electronic version of your article. In: Jones BS, Smith RZ, editors. Introduction to the electronic age, New York: E-Publishing Inc;
1999, p. 281-304.
Note shortened form for last page number. e.g., 51-9, and that for more than 6 authors the first 6 should be listed
followed by "et al." For further details you are referred to "Uniform Requirements for Manuscripts submitted to Biomedical Journals"
(J Am Med Assoc 1997;277:927-934) (see also http://www.nlm.nih.gov/bsd/uniform_requirements.html).
Journal abbreviations source
Journal names should be abbreviated according to
Index Medicus journal
abbreviations: http://www.nlm.nih.gov/tsd/serials/lji.html;
List of serial title word abbreviations: http://www.issn.org/2-22661-LTWA-online.php;
CAS (Chemical Abstracts Service): http://www.cas.org/sent.html.
Supplementary
material
Elsevier accepts electronic supplementary material to support and enhance your scientific research. Supplementary
files offer the author additional possibilities to publish supporting applications, movies, animation sequences, high-resolution images,
background datasets, sound clips and more. Supplementary files supplied will be published online alongside the electronic version of
your article in Elsevier Web products, including ScienceDirect: http://www.sciencedirect.com. In order to ensure that your
submitted material is directly usable, please ensure that data are provided in one of our recommended file formats. Authors should submit
the material in electronic format together with the article and supply a concise and descriptive caption for each file. Video files:
please supply 'stills' with your files: you can choose any frame from the video or make a separate image. These will be used instead
of standard icons and will personalize the link to your supplementary information. For more detailed instructions please visit our artwork
instruction pages at http://www.elsevier.com/artworkinstructions.
Submission
checklist
It is hoped that this list will be useful during the final checking of an article prior to sending it to the journal's
Editor for review. Please consult this Guide for Authors for further details of any item.
Ensure that the following items are
present:
One Author designated as corresponding Author:
• E-mail address
• Full postal address
• Telephone
and fax numbers
All necessary files have been uploaded
• Keywords
• All figure captions
• All tables (including
title, description, footnotes)
Further considerations
• Manuscript has been "spellchecked" and "grammar-checked"
•
References are in the correct format for this journal
• All references mentioned in the Reference list are cited in the text,
and vice versa
• Permission has been obtained for use of copyrighted material from other sources (including the Web)
•
Color figures are clearly marked as being intended for color reproduction on the Web (free of charge) and in print or to be reproduced
in color on the Web (free of charge) and in black-and-white in print
• If only color on the Web is required, black and white
versions of the figures are also supplied for printing purposes
For any further information please visit our customer support site
at http://epsupport.elsevier.com.
Additional information
Drug
Names. Generic names should generally be used. When proprietary brands are used in research, include the brand name in parentheses
to refer to drugs.
Permissions. Materials taken from other sources must be accompanied by a written statement from both author
and publisher giving permission to Contemporary Clinical Trials for reproduction. For unpublished data and personal communications,
obtain permission in writing from at least one author.
Review. The editorial staff reviews all manuscripts. Two outside referees
review all manuscripts accepted for peer review. The editorial staff encourages authors to suggest names of possible reviewers, but reserves
the right of final selection.
Use of the Digital Object Identifier
The Digital Object Identifier (DOI) may be used to cite and link to
electronic documents. The DOI consists of a unique alpha-numeric character string which is assigned to a document by the publisher upon
the initial electronic publication. The assigned DOI never changes. Therefore, it is an ideal medium for citing a document, particularly
'Articles in press' because they have not yet received their full bibliographic information. The correct format for citing a DOI is shown
as follows (example taken from a document in the journal Physics Letters B):
doi:10.1016/j.physletb.2003.10.071
When
you use the DOI to create URL hyperlinks to documents on the web, they are guaranteed never to change.
Proofs
One set of page proofs (as PDF files) will be sent by e-mail to the corresponding author (if we do
not have an e-mail address then paper proofs will be sent by post) or, a link will be provided in the e-mail so that authors can download
the files themselves. Elsevier now provides authors with PDF proofs which can be annotated; for this you will need to download Adobe
Reader version 7 (or higher) available free from http://www.adobe.com/products/acrobat/readstep2.html. Instructions on how
to annotate PDF files will accompany the proofs (also given online). The exact system requirements are given at the Adobe site: http://www.adobe.com/products/acrobat/acrrsystemreqs.html#70win.
If you do not wish to use the PDF annotations function, you may list the corrections (including replies to the Query Form) and
return them to Elsevier in an e-mail. Please list your corrections quoting line number. If, for any reason, this is not possible, then
mark the corrections and any other comments (including replies to the Query Form) on a printout of your proof and return by fax, or scan
the pages and e-mail, or by post. Please use this proof only for checking the typesetting, editing, completeness and correctness of the
text, tables and figures. Significant changes to the article as accepted for publication will only be considered at this stage with permission
from the Editor. We will do everything possible to get your article published quickly and accurately. Therefore, it is important to ensure
that all of your corrections are sent back to us in one communication: please check carefully before replying, as inclusion of any subsequent
corrections cannot be guaranteed. Proofreading is solely your responsibility. Note that Elsevier may proceed with the publication of
your article if no response is received.
Offprints
The corresponding author,
at no cost, will be provided with a PDF file of the article via e-mail. The PDF file is a watermarked version of the published article
and includes a cover sheet with the journal cover image and a disclaimer outlining the terms and conditions of use. Additional paper
offprints can be ordered by the authors. An order form with prices will be sent to the corresponding author.
For inquiries relating to the submission of articles (including electronic submission
where available) please visit this journal's homepage. You can track accepted articles at http://www.elsevier.com/trackarticle
and set up e-mail alerts to inform you of when an article's status has changed. Also accessible from here is information on copyright,
frequently asked questions and more. Contact details for questions arising after acceptance of an article, especially those relating
to proofs, will be provided by the publisher. |
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