Author Guidelines



All Studies involving human subjects need their written local ethical committee approval where the study is performed and informed consent from the all subjects.


Journal Article Categories




Editorials are limited to 1,500 words and 20 references and give the judgment of the writer based on published data.




Manuscripts reporting original basic or clinical scientific findings should not exceed 4,000 words, six figures or tables, and have no more than 40 references. Authors should also provide Turkish and English abstract of up to 250 words.  All abstracts must be structured as aim, material and methods, results and conclusion.








It is a structured case report which was written a teaching purpose and make clear standpoints with regard to clinical decision-making and treatment of the patient. It should conform to the requirements of original scientific papers.





Viewpoints are of the same length as editorials but are designed to let the author speculate on the value of any subject, procedure or treatment.





Case reports will be published which illustrate and discuss particular points that are relevant to clinical practice. Manuscripts do not include any proof such as image or similar reports will not be published. Case reports should have no more than three authors, 1,500 words, 10 references and 2 figures and/or tables. A summary (up to 150 words) should be supplied.





Review articles concern a general medical problem, which is discussed by experts in the field. The topic should be of interest to a large readership and have important medical implications. The authors should consider the subject from a historical perspective but give priority to recent developments in the field covered by the review.





This category is intended for illustrative Medical images such as electrocardiograms, echocardiograms, x rays, scans or pathology specimens. The picture may be emphasized in a 250-word legend.





Journal of Human Rhythm welcomes letters commenting on papers published in the journal in the previous six months. Letters should be typed in double spacing and not exceed more than 600 words and six references in length. All authors should sign the letter.




Journal of Human Rhythm will review selected books in medicine. Authors interested in having a book reviewed should send a copy to the Journal of Human Rhythm Editorial Office.




 Manuscript preparation


All manuscripts must be prepared and submitted in the manner described in "Uniform Requirements for Manuscripts Submitted to Biomedical Journals" by the International Committee of Medical Journal Editors available at (updated October 2004). In addition, authors should consult the PRISMA Statement ( when preparing reports of systematic reviews and meta-analyses and the CONSORT Statement ( when preparing reports of randomized controlled trials.


Submit 1 copy in English/Turkish of the entire manuscript including text, references, figures, legends and tables via e-mail. English manuscripts must contain a Turkish abstract and Turkish manuscript should contain an English structured abstract. The manuscript should be typewritten, double-spaced, with at least 2.5 cm margin on all sides.


Articles should be arranged as follows (1) title page, (2) abstract (or summary for case reports), (3) text, (4) when appropriate acknowledgment, (5) conflict of interest, (6) references, (7) tables and figures with titles and legends.


Authorship and Copyright:


Authors must submit a separate Covering Letter, signed by all authors, stipulating that all persons listed as authors have contributed to preparing the manuscript, and that no person or persons other than the authors listed have contributed significantly in its preparation. Authors will be asked to transfer copyright of articles accepted for publication to the Canadian Society for Clinical Investigation. The Cover Letter of submitted manuscripts should be accompanied by letters granting permission to reproduce previously published materials or to use illustrations that may identify subjects.


The cover letter must acknowledge acceptance of page charges, suggest three (3) reviewers, and acknowledge the understanding that copyright is being signed over to CIM.


Manuscripts describing investigations carried out in humans will not be accepted for publication unless the text states, at the beginning of the Methods section, that the study has been approved by, and carried out according to the instructions of the author's institutional Human Investigations or Ethics Committee. Reports of investigations in animals will not be accepted for publication unless the text states that the author’s institutional Animal Investigation Committee approved the study.



Privacy and Confidentiality:


Patients have a right to privacy that should not be infringed without informed consent. Identifying information, including patients' names, initial, or hospital numbers should not be published in written description, photographs and pedigrees unless the information is essential for scientific purposes and the patient (or parent or guardian) gives written informed consent for publication. Informed consent for this purpose requires that a patient who is identifiable be shown the manuscript to be published.



TITLE PAGE (Page 1, but do not number)

The title page should include a short title of less than 50 characters, the authors' full first and last names, degree(s), hospital and academic affiliations. Under the heading, ''Address for correspondence'', give the full name, address, telephone, fax number and E-mail address of the corresponding author, and address for reprints if different from address for correspondence.




A running head consisting of 2 to 6 words should be added on the first page.




Authors of original scientific papers must supply a structured abstract of no more than 250 words under the following headings: Aim (describe justification of the study), Methods and Results (brief description of methods and presentation of significant results), Conclusions (make only claims that are supported by data in the paper).

For case reports provide an unstructured abstract summarizing the main points in 150 words. Do not cite references in the abstract and limit the use of acronyms and abbreviations.





Supply up to 6 keywords.












The text should begin on a new page and should be organized into sections: Introduction, Methods, Results, Discussion and Conclusion.

Provide appropriate headings and subheadings using the hierarchy of headings bold, small caps, and italic. Cite illustrations and tables in numerical order (Fig. 1, Fig. 2, Table 1) as they are first mentioned in the text. For drugs use the generic name. Patients must be identified by numbers (for example, patient 4), not by their initials. Abbreviations should be defined when they first appear. Measurements must be given in SI units. Blood pressure should be given in mm Hg. Put acknowledgments and details of support in the form of grants, equipment, or drugs at the end of the text, before the references.






All authors must explicitly mention any potential conflict of interest. If there are no conflicts of interest, please insert 'none declared'.





References in the text

References must be numbered sequentially as they appear in the text. Reference numbers in the text must be given as superscripts (without brackets).

References in the reference list

Abbreviate titles of periodicals according to the style of Index Medicus, National Library of Medicine. All authors should be cited in each reference. Do not use periods after the author's initials.



Journal Articles – Example


Surname RS, Surname FW, Surname GR, Surname AJ. Article title. Abbreviated journal title 2008; 52: 228-34.

Use if reference has more than four names.


Chapter in book - Example

Surname SY. Chapter title. In: Surname MM, ed. Book title. Publisher, City, 2008: 228-34.


Abstract/supplement - Example

Surname R, Surname F. Article title (abstract). Abbreviated journal title 1996; 52 suppl 3:48.







Figure legends should be typed double spaced on separate sheets. Abbreviations appearing on the figures must be spelled out at the end of each legend.

Written permission from publishers for any material previously published must be submitted with the initial manuscript.




Limit figures to the number necessary for clarity. Figures should not duplicate data given in tables or in the text. Figures submitted in colour will be printed in colour. See 'charges'.




Tables should be self-explanatory, and the data should supplement not duplicate the text. Tables should be typed double spaced on separate sheets with the table number and title above the table and explanatory notes below. The table numbers should be Arabic and should be numbered consecutively in order of appearance in the text. Abbreviations used in the table should be footnoted and explained in alphabetical order.




Part of the cost of colour printing will be charged to the author. Author costs include cost of colour figures and cost of reprints (minimum quantity is fifty reprints). A price list for reprints will be sent with the authors' proof. There are no page charges.


Submission letter


• As part of manuscript submission, an accompanying covering letter should state that:


1. The design and conduct of the work was performed by all the authors,


2. The manuscript has been written, read, and approved by all the authors,


3. The material has not been previously published, in whole or in part, and it also is not under consideration for publication elsewhere,


4. Acknowledge acceptance of page charges,


5. Suggest three (3) reviewers, and


6. Acknowledge an understanding that copyright is being signed over to CIM.


7- Financial support for the work and potential conflicts of interest must be disclosed.