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Submit - Instruction for authors

Edited 4 November 2020

The Danish Medical Journal (DMJ) is a general medical journal published by The Danish Medical Association. DMJ is published monthly 12 times a year. The current Impact Factor is 0,94.

DMJ will publish the following articles: 

  • Original articles
  • Protocol articles
  • Systematic reviews
  • Meta-analyses
  • Correspondence

Publication in the Danish Medical Journal is mainly for members of the Danish Medical Association. Consequently, we offer an editorial process and peer review if at least one of the authors is a member of the Danish Medical Association. The publication fee for non-members is 1,000 euro.

 
Submission of manuscripts

Papers should be submitted through the electronic manuscript system at
http://mc.manuscriptcentral.com/ugeskriftet.
Please note in the submission coverletter that the paper is intended for the DMJ. 

Authorship
Authors should fulfil all four criteria for authorship set by the ICMJE-group (http://www.icmje.org/). This has to be stated in the authorship declaration and should be submitted with the article.
Please note that you sign the latest version of Authorship Declaration - May 2019 - Download here » 

Authorship credit should be based on that all authors meet all four authorship criteria as provided by the Vancouver rules:

  1. Substantial contributions to: the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work.
  2. Drafting the work or revising it critically for important intellectual content.
  3. Final approval of the version to be published.
  4. Agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.

 

Conflicts of interest
Any conflicts of interests for the submitted paper in the form of an “ICMJE Uniform Disclosure Form for Potential Conflicts of Interest” should be submitted for each author of the paper. These forms should be sent with the article and can be uploadet in Manuscript Central when submitting a new manuscript.

 

Peer review
All manuscripts are double blinded peer reviewed.
 

Trial registration
All trials, which include human subjects / intervention on humans (randomized clinical trials), should be registered on an open web-site such as e.g. www.clinicaltrials.gov. The registration number should be included in the abstract of the original article or protocol article after “funding” as well as in the methods section in the paper.

Trial registration is not relevant in a descriptive or retrospective study, and you should write "Not Relevant".

Data Sharing Plan for Clinical Trials
As of 1 July 2018 manuscripts submitted to ICMJE journals (incl. Danish Medical Journal) that report the results of clinical trials must contain a data sharing statement as described below.

Clinical trials that begin enrolling participants on or after 1 January 2019 must include a data sharing plan in the trial's registration.

Please note that you sign the latest version of Authorship Declaration (May 2019) - in which you confirm the above.
You can download it here: Authorship Declaration - Danish Medical Journal New per May 2019.

The ICMJE's policy regarding trial registration is explained on ICMJE.org website: http://www.icmje.org/recommendations/browse/publishing-and-editorial-issues/clinical-trial-registration.html#one. If the data sharing plan changes after registration this should be reflected in the statement submitted and published with the manuscript, and updated in the registry record.

The ICMJE’s data sharing statement policy is detailed in an editorial (see Updates and Editorials - http://www.icmje.org/update.html).

Also read the editorial »Data Sharing Statements for Clinical Trials: A Requirement of the International Committee of Medical Journal Editors« published in June 2017 (in Danish): http://ugeskriftet.dk/videnskab/statement-deling-af-kliniske-data-et-krav-fra-international-committee-medical-journal

Data sharing statement
Data sharing statements must indicate the following: whether individual deidentified participant data (including data dictionaries) will be shared; what data in particular will be shared; whether additional, related documents will be available (e.g., study protocol, statistical analysis plan, etc.); when the data will become available and for how long; by what access criteria data will be shared (including with whom, for what types of analyses, and by what mechanism).

Read more and find an example of Data Sharing Statements That Fulfill These ICMJE Requirements (http://www.icmje.org/recommendations/browse/publishing-and-editorial-issues/clinical-trial-registration.html).

 

Copyright
Articles published in the Danish Medical Journal are “open access”. This means that the articles are distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits any non-commercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
 

Figures and tables
When presenting exact data use a table, whereas a graph is more adequate when the aim is to illustrate a tendency. Avoid three-dimensional presentations. Do not present your data twice (e.g. in text and table or figure). Illustrations should be submitted in the original format, e.g. as PowerPoint or Excel files and pictures in jpg or tiff format. All illustrations should be submitted as separate files. If an illustration has been published before, we need a written permission from the copyright holder if the illustration is going to be reproduced in your article. We strongly encourage the submission of illustrations including photographs. 
 

References
The list of references should be performed according to the guidelines stated by the ICMJE-group (www.icmje.org). For the DMJ the following exceptions apply:

  1. If there are more than three authors on a given publication, the first three authors should be stated in the reference list followed by “et al.” For a total of four authors, you are allowed to list all four.
  2. No punctuation mark after the name of the journal.
  3. No issue number of the journal, only volume number and page numbers. Excepted are journals using article numbers instead of page numbers. In this case, the month of publication or issue number should also be included (see below).

Journal titles should be abbreviated according to MEDLINE (http://www.nlm.nih.gov/). References should be numbered consecutively throughout the text with numbers in square brackets.

Examples:

  • Gögenur I, Kücükakin B, Bisgaard T, et al. The effect of melatonin on sleep quality after laparoscopic cholecystectomy: a randomized placebo-controlled trial. Anesth Analg 2009;108:1152-6.
  • Kornholt J, Bring Christensen M. Prevalence of polypharmacy in Denmark. Dan Med J 2020;67(6):A12190680.

For further details you can go to the Danish instruction for authors - Manuskriptvejledning for Ugeskrift for Læger

 

Supplementary material 
We accept supplementary material (SM) in connection with scientific articles published in the Danish Medical Journal (DMJ). SM may be questionnaires and answer forms, videos, extended tables etc.

If necessary, contact DMJ for upload of video material.

  • Supplementary material (SM) must follow the manuscript through the full peer review process and must be visible for editor and reviewer.
  • The article should contain clear reference(s) to the pages/numbers of the SM. When the final manuscript is accepted, the editoral office will insert links with reference to the SM.
  • SM should be submitted as one PDF clearly indicating to which article it relates – either on the front page or in the header/footer.
  • Make sure that the SM is readable and understandable. The nomenclature in the manuscript and in the SM should be identical. It should be clearly stated in the SM what the tables/figures etc. illustrate.
  • Guidelines for the SM are the same as for the rest of the content of DMJ:
    • no product names or trademarks (use generic names)
    • correct listing of the literature list
    • patient consent if relevant
    • observation of copy right etc.
  • There will be no proof reading of the SM.
  • There will be no graphic design of figures/tables.
  • DMJ takes no responsibility for the SM – this goes for the content as well as the indefinite availability.

 

TYPES OF ARTICLES

Original articles 
Maximum size: 14,000 units including spaces but without references, figures and tables. Maximum 20 references. The English abstract should maximum contain 1,600 units including spaces.

An original article can contain up to four figures and tables.

The abstract should be structured and include the sections:
Introduction, Methods, Results, Conclusion, Funding and Trial registration.

NB: As of 1 July 2018 manuscripts submitted to ICMJE journals (incl. Danish Medical Journal) that report the results of clinical trials must contain a data sharing statement as described above.

Clinical trials that begin enrolling participants on or after 1 January 2019 must include a data sharing plan in the trial's registration.

Original articles reporting a randomized controlled trial should follow the CONSORT guideline (see below).

 

Protocol articles
Maximum size: 14,000 units including spaces but without references, figures and tables. Maximum 20 references. The abstract should maximum contain 1,600 units including spaces.

The abstract should be structured and include the sections:
Introduction, Methods, Conclusion, Funding and Trial registration.

A protocol article can contain up to four figures and tables.

NB: As of 1 July 2018 manuscripts submitted to ICMJE journals (incl. Danish Medical Journal) that report the results of clinical trials must contain a data sharing statement as described above.
Clinical trials that begin enrolling participants on or after 1 January 2019 must include a data sharing plan in the trial's registration.

A protocol article has introduction, methods, and discussion sections, but focus is especially on the methods section and the plan for statistical analyses. We will consider protocol articles descibing large, randomized clinical trials and large epidemiological studies.

 

Systematic reviews and meta-analyses
Maximum size: 20,000 units including spaces but without references, figures and tables. Maximum 80 references, but we appreciate low numbers.

Maximum four figures and tables.

The abstract must not exceed 1,600 units in length including spaces. The abstract should be structured and include the sections: Introduction, Methods, Results, Conclusion. 

The article should include a textbox with 3-4 key messages from the paper written in short sentences as a bullet list.

The DMJ does not publish narrative reviews, only systematic reviews and meta-analyses. The words “systematic review” or “meta-analysis” should be added to the title in order to get proper indexing in PubMed. Systematic reviews and meta-analyses should be reported according to the PRISMA guidelines (see below).

 

Correspondence
DMJ publishes comments and opinions from readers, authors and editors of the Danish Medical Journal (DMJ). We welcome submissions for consideration. Your post should be clear and compelling. It should appeal to both the Danish and the international readership of doctors and other health professionals. DMJ Correspondence posts should address topics within the areas medicine, healthcare, publishing, or an issue which will interest doctors. The content should be relevant and current.

  • Comments may be related to recently published articles or correspondence in the DMJ.
  • All submitted Correspondences will be peer reviewed by the editorial board of the DMJ. The correspondence can be returned for revision if the editorial board has any comments. The DMJ reserves the right to reject submissions.
  • All accepted Correspondences are edited, and proofs will be sent to authors before publication.
  • Correspondence is published online and in full open access on www.ugeskriftet.dk/DMJ (www.danmedj.dk). DMJ Correspondence will be indexed in PubMed.

Limits for DMJ Correspondence:

  • 1,000 words or 7,500 characters incl. spaces.
  • Only one table/figure is permitted.
  • The number of references should not exceed 5.
  • The number of authors should not exceed 5.
  • Please include a title page giving the names, addresses and affiliations of all the authors as well as the e-mail address and phone number of the corresponding author.
  • ICMJE Disclosures should be provided for all authors.
  • Authorship Declaration should be provided signed by all authors.

Correspondence is submitted by e-mail to dmj@dadl.dk

 

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ATTACHED FILES

Authorship Declaration - Danish Medical Journal New per May 2019.

ICMJE Disclosure form

Example of completed ICMJE Disclosure form

ICMJE Conflict of Interest form: Glossary of Terms

CONSORT guidelines

PRISMA guidelines

About Data Sharing Statement: http://www.icmje.org/recommendations/browse/publishing-and-editorial-issues/clinical-trial-registration.html#one.

 

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Editorial office:
Danish Medical Journal 
Kristianiagade 12 | DK-2100 Copenhagen OE. Denmark.
Phone: +45 3544 8270. E-mail: dmj@dadl.dk

Published by
The Danish Medical Association
Kristianiagade 12, DK-2100 Copenhagen OE. Denmark
Phone +45 35 44 85 00 | dmj@dadl.dk