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Authors, Editors, Reviewers

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Digestive Diseases

The Latest in Diagnosis and Treatment of Gastrointestinal Disorders


Guidelines for Authors
www.karger.com/ddi_guidelines

Aims and Scope
Submission
Manuscript Types
Conditions
Peer-Review Policy
Disclosure Statement
Ethics Statement
Plagiarism Policy
Author Contributions
Arrangement
Page Charges
Color Illustrations
Supplementary Material
Digital Object Identifier (DOI)
Self-Archiving/Green Open Access
Author's Choice™
Funding Organizations (NIH etc.)
Proofs
Reprints



Aims and Scope

Digestive Diseases publishes original reports and review articles that describe the most recent advances in diagnostic methods and treatment options for diseases of the gastrointestinal tract and the hepato-pancreato-biliary system. The journal also covers related topics such as microbiota, nutrition and probiotics, endoscopy and imaging. Providing information about the latest clinical evidence and their application in patient care, Digestive Diseases is an invaluable source of information for clinicians, specialists and physicians-in-training.



Submission

Manuscripts written in English are considered and should be submitted online.

Should you have any problems with your submission, please contact the editorial office:

Manuela Obrist
Editorial Office 'Digestive Diseases'
S. Karger AG
P.O. Box
CH-4009 Basel (Switzerland)
Tel.  +41 61 306 1437
Fax. +41 61 306 1434
ddi@karger.com

All manuscripts must be accompanied by a cover letter. Assurance should be given in the cover letter that the manuscript is not under simultaneous consideration by any other publication. In the cover letter, the authors should declare their potential conflicts of interest and provide a statement on authorship.




Manuscript Types

Original Papers
Submitted manuscripts should be fully documented reports of original clinical research. Basic research is considered if the study shows a translational aspect and may lead to practical clinical applications: for instance a promising new treatment or diagnosis tool.
Original articles should not exceed 4,000 words, excluding up to 6 tables or figures and up to 60 references.

Review Articles
The maximum length of a Review article should be 3,500 words including abstract and discussion, excluding figure legends and references.

Systematic Review and Meta-Analysis
We strongly encourage authors to comply with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines (http://www.prisma-statement.org/).
Systematic Review and Meta-Analysis should not exceed 4,000 words, excluding up to 6 tables or figures and up to 100 references.

Imaging and Endoscopy
Manuscript should describe a novel endoscopy or imaging technique and be supported by a video (max. 5 Gb) or high quality images.
The manuscript should include the rationale for the procedure and a detailed description of the procedure including the equipment used.
Manuscript length should be maximum 1,500 words excluding a maximum of 15 references. Videos larger than 15 Mb must be sent to the editorial office (ddi@karger.com) via a large file sharing service.

Consensus Statement and Guidelines
Submitted manuscripts should include a statement intended to guide clinical care as well as the mechanism by which the statement was generated and a review of the evidence for the statement.
Consensus Statement and Guidelines should not exceed 4,000 words, excluding up to 6 tables or figures and up to 100 references.

Editorials
Editorials on special hot topics are primarily invited by the editors.
The maximum length of an Editorial should be 1,500 words excluding a maximum of 15 references.

Letters to the Editor
Letters in reference to a journal article should be received within 2 months after publication of the article. Letters not related to a journal article are also considered.
Letters must not exceed 400 words and have a maximum of five references and one figure or table. They should not be signed by more than three authors.




Conditions

All manuscripts are subject to editorial review. Manuscripts are received with the explicit understanding that they are not under simultaneous consideration by any other publication. Submission of an article for publication implies transfer of the copyright from the author to the publisher upon acceptance. Accepted papers become the permanent property of Digestive Diseases and may not be reproduced by any means, in whole or in part, without the written consent of the publisher. It is the author's responsibility to obtain permission to reproduce illustrations, tables, etc. from other publications.

For legal reasons, we must receive your 'Submission Statement' with your original (hand-written) signature. Please download, print, sign and either fax or scan it to make it legally binding.




Peer-Review Policy

Digestive Diseases is a peer-reviewed journal that uses a single-blind peer review. Our aim is to provide authors with fast and constructive feedback regarding their submitted manuscript. The Editor-in-Chief and the Associate Editors ensure a thorough and fair peer review and the highest scientific publishing standards. Submitted manuscripts are checked by the Editorial Office and forwarded to the Editor-in-Chief, who decides whether to accept/reject a manuscript or send it for review to an Associate Editor and at least two reviewers. Reviewers must have a recent publication record in the area of the submission, must not have published with the authors in the previous 3 years, and must not be from the same institution as the authors. The Editor-in-Chief makes a final decision on all papers submitted to the journal and is responsible to maintain high-quality peer review.




Disclosure Statement

Any financial interests (stocks, patents, employment, honoraria, royalties) or nonfinancial relationships (political, personal, professional) that may be interpreted to have influenced the manuscript must be declared in a Conflicts of Interest statement at the end of the main text. If there is no conflict of interest, please state 'The authors declare no conflicts of interest'.




Ethics Statement

Research must comply with the guidelines for human studies and animal welfare regulations. Copies of these guidelines and policy statements must be available for review by the editors if necessary.

Humans
Manuscripts reporting studies on human subjects should include evidence that the research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki. In particular, authors must provide an Ethics Statement at the end of the main text that all subjects (or their parents or guardians) have given their informed written consent and that the study protocol was approved by an appropriate ethics committee. If no approval was required, this must be stated in this section. All patients should be identified by numbers or aliases, not by their real names. For clinical trials, registration in a public trials registry before or at the time of first patient enrolment is a condition of consideration for publication. The trial registration number must be provided upon submission at the end of the abstract.

Animals
Authors should state that animal experimentation was approved by the appropriate institutional review body. We encourage authors to comply with the Animal Research: Reporting In Vivo Experiments (ARRIVE) guidelines developed by the National Centre for the Replacement, Refinement & Reduction of Animals in Research (NC3Rs).




Plagiarism Policy

Whether intentional or not, plagiarism is a serious violation. We define plagiarism as a case in which a paper reproduces another work with at least 25% similarity and without citation.
If evidence of plagiarism is found before/after acceptance or after publication of the paper, the author will be offered a chance for rebuttal. If the arguments are not found to be satisfactory, the manuscript will be retracted and the author sanctioned from publishing papers for a period to be determined by the responsible Editor(s).




Author Contributions

A short statement detailing the contributions of each person named as an author should be included. Please refer to the ICMJE’s criteria for authorship. If an author is removed or added to the manuscript after submission, an explanation and signed statement of agreement for the requested change from all listed authors and from the author to be removed or added is required.




Arrangement

The manuscript should conform to the following order: title page, abstract and key words, body, acknowledgments, references, figure legends, tables and figures. Manuscripts should be written in high-quality English suitable for effective communication to a professional medical audience. For authors whose native language is not English, use of a professional language editing service (http://www.karger.com/Resources/Authors) prior to submission can help to avoid delays with the review process. All pages, including the figure legends, should be numbered in sequence, and the first author's name should appear at the upper right corner of each page. Papers not conforming to the journal style will be returned without review.

Title page: The first page of each paper should indicate a concise title of no more than 150 characters, all authors' names (first name and surname), authors' institutional affiliations, and a short title for use as running head.

Corresponding author: The exact postal address of author(s) to whom correspondence, proofs, and reprint requests should be sent, including the postal code, must be given at the bottom of the title page. Please also supply phone number and e-mail address.

Abstract of Review Articles: Should be divided into the following subsections: Background, Summary and Key Messages. The Background should provide a brief clinical context for the review and is followed by the Summary, which should include a concise description of the main topics covered in the text. The Key Messages encapsulate the main conclusions of the review. Submit the abstract on a separate page. The abstract should be less than 300 words.

Key words: Following the abstract, an alphabetical list of five key words that reflect the content of the paper should be given.

Footnotes: Avoid footnotes.

Tables and illustrations: Tables and illustrations (both numbered in sequential Arabic numerals) should be prepared as separate files. Tables require a brief and concise heading. Figures require a legend, prepared as a separate page, after references. Please use scale markers for electron micrographs, and indicate the type of stain used. For the reproduction of illustrations, only good drawings and original photographs can be accepted; negatives or photocopies cannot be used. Due to technical reasons, figures with a screen background should not be submitted. When possible, group several illustrations in one block for reproduction (max. size 180 x 223 mm) or provide crop marks. Electronically submitted b/w half-tone and color illustrations must have a final resolution of 300 dpi after scaling, line drawings one of 800–1,200 dpi.

References: In the text identify references by Arabic numerals [in square brackets]. Material submitted for publication but not yet accepted should be noted as [unpublished data] and not be included in the reference list. The list of references should include only those publications which are cited in the text. Do not alphabetize; number references in the order in which they are first mentioned in the text. The surnames of the authors followed by initials should be given. There should be no punctuation other than a comma to separate the authors. Preferably, please cite all authors. Abbreviate journal names according to the Index Medicus system. Also see International Committee of Medical Journal Editors: Uniform requirements for manuscripts submitted to biomedical journals (www.icmje.org).

Examples

(a) Papers published in periodicals: Chatel JM, Bernard H, Orson FM: Isolation and characterization of two complete Ara h 2 isoforms cDNA. Int Arch Allergy Immunol 2003;131:14–18.

(b) Papers published only with DOI numbers: Theoharides TC, Boucher W, Spear K: Serum interleukin-6 reflects disease severity and osteoporosis in mastocytosis patients. Int Arch Allergy Immunol DOI: 10.1159/000063858.

(c) Monographs: Matthews DE, Farewell VT: Using and Understanding Medical Statistics, ed 4, revised. Basel, Karger, 2007.

(d) Edited books: DuBois RN: Cyclooxygenase-2 and colorectal cancer; in Dannenberg AJ, Dubois RN (eds): COX-2. Prog Exp Tum Res. Basel, Karger, 2003, vol 37, pp 124–137.

Reference Management Software: Use of EndNote® is recommended for easy management and formatting of citations and reference lists.




Page Charges

There is no page charges for papers of 3 or fewer printed pages (including tables, figures, references and acknowledgements). Each additional complete or partial page is charged to the author at CHF 410.00.




Color Illustrations

Online edition: Color illustrations are reproduced free of charge. In the print version, the illustrations are reproduced in black and white. Please avoid referring to the colors in the text and figure legends.

Print edition: Up to 6 color illustrations per page can be integrated within the text at CHF 960.00 per page.




Supplementary Material

Multimedia files and other supplementary files, directly relevant but not essential to the conclusions of a paper, enhance the online version of a publication and increase its visibility on the web. These files will undergo editorial review. The Editors reserve the right to limit the scope and length of the supplementary material. Multimedia and supplementary material should meet production quality standards for publication without the need for any modification or editing. Files should not exceed 10 Mb in size. Figures and tables need to have titles and legends, and all files should be supplied separately and labeled clearly. All supplementary material should be referred to in the main text. A DOI number will be assigned to supplementary material and it will be hosted online at https://karger.figshare.com under a CC BY license. Authors will be charged a processing fee of CHF 250.00 for supplementary material.




Digital Object Identifier (DOI)

S. Karger Publishers supports DOIs as unique identifiers for articles. A DOI number will be printed on the title page of each article. DOIs can be useful in the future for identifying and citing articles published online without volume or issue information. More information can be found at www.doi.org




Self-Archiving/Green Open Access

Karger permits authors to archive their pre-prints (i.e. pre-peer review) or post-prints (i.e. accepted manuscript after peer review but before production) on their personal or their institution’s internal website. In addition, authors may post their accepted manuscripts in public Open Access repositories and scientific networks (e.g. ResearchGate or Mendeley) no earlier than 12 months following publication of the final version of their article. For all self-archiving, the posted manuscripts must:

  • Be used for noncommercial purposes only
  • Be linked to the final version on www.karger.com
  • Include the following statement:

‘This is the peer-reviewed but unedited manuscript version of the following article: [insert full citation, e.g. Cytogenet Genome Res 2014;142:227–238 (DOI: 10.1159/000361001)]. The final, published version is available at http://www.karger.com/?doi=[insert DOI number].’

It is the author’s responsibility to fulfill these requirements.

For papers published online first with a DOI number only, full citation details must be added as soon as the paper is published in its final version. This is important to ensure that citations can be credited to the article.

Manuscripts to be archived in PubMed Central due to funding requirements will be submitted by Karger on the author’s behalf [see Funding Organizations (NIH etc.)].

For self-archiving Author's Choice™ (Gold Open Access) articles, see Author's Choice™.




Author's Choice™

Karger’s Author's Choice™ service broadens the reach of your article and gives all users worldwide free and full access for reading, downloading and printing at www.karger.com. The option is available for a one-time fee of CHF 3,000.00, which is a permissible cost in grant allocation. More information can be found at www.karger.com/authors_choice.
The final, published version of the article may be posted at any time and in any repository or on other websites, in accordance with the relevant Creative Commons license. Reposted Open Access articles must:

  • Follow the terms of the relevant Creative Commons license
  • Be linked to the final version on www.karger.com
  • Include the following statement:
‘The final, published version of this article is available at http://www.karger.com/?doi=[insert DOI number].’

It is the author’s responsibility to fulfill these requirements.

For papers published online first with a DOI number only, full citation details must be added as soon as the paper is published in its final version. This is important to ensure that citations can be credited to the article.




Funding Organizations (NIH etc.)

The U.S. National Institutes of Health (NIH) Public Access Policy mandates that accepted, peer-reviewed manuscripts are archived in its digital database, PubMed Central (PMC), within 12 months of the official publication date. As a service to authors, Karger submits NIH-funded articles to PMC on behalf of the authors immediately upon publication. The NIH assigns a PMCID within approximately 1 month and the manuscript will appear in PMC after a 12-month embargo. For authors making their paper Open Access through Author's Choice™, the embargo will be overridden, thereby accelerating the accessibility of the article. Karger also complies with other funders’ requirements (including Wellcome Trust and RCUK) for submission to PMC.
Authors should include information on their grant in the Acknowledgements section of their papers.




Proofs

Unless indicated otherwise, proofs are sent to the corresponding author and should be returned with the least possible delay. Alterations other than the correction of printer's errors are charged to the author.




Reprints

Order forms and a price list are sent with the proofs. Orders submitted after the issue is printed are subject to considerably higher prices.