Cover Letter

The cover letter should be submitted as a separated file including the following: 

(1) a concise summary of why the article is a valuable addition to scientific literature.

(2) a brief mention relating the study to previously published work.

(3) specifying the article type (research article, review, or case report etc).

Title Page

The title page should be submitted as a separated file in English. In this section, the type of manuscript, the title of manuscript, the name of all the authors and their affiliations, address of the corresponding author plus e-mail address, telephone number, fax number, any conflict of interest, and financial assistance should be described. The type of manuscript should be typed in the top left area of the title page. Name of authors should be described fully without abbreviation. The corresponding author has full responsibility on the manuscript's exactness, and this author’s name, mailing address, telephone number, fax number, and e-mail address should be described. The corresponding author should submit the manuscript with his e-mail. All authors are recommended to provide an ORCID (Open Researcher and Contributor ID) in the Title Page.

To obtain an ORCID, authors should register in the ORCID web site: Registration is free to every researcher in the world.

Example of ORCID description is as follows:

Junghoon Kim:


The abstract should be written in English. The abstract should consist of four sections labeled Objectives, Methods, Results, and Conclusions. Word count of abstract should be equal to or less than 300. References should not be included in the abstract. Authors should provide a list of three to five keywords below the abstract. Keywords should be arranged in alphabetical order. Only the first character of the first word of keywords should be in capital letter. A comma separates keywords from each other.

Main Body

The main body of the manuscript should be written only in English including the following contents:

(1) Introduction

It provides a research background and specific purpose or objectives for the research. The hypothesis tested can be stated. The references should be exactly pertinent to the subject presented and they should be provided a reference number.

(2) Methods

 Materials and/or Subjects: The materials used in the research should be clearly stated to allow further follow-up research. Any materials purchased should disclose the source of the manufacturer. Research subjects should also be precisely described with parameters such as age, sex, region, schools, country, date of intervention period, or job, etc. The reason of inclusion or selection of subjects should be explained. If there is exclusion of a certain group, it should be also explained.

 Study design: Whether it is a descriptive analysis, case study, clinical study, randomized controlled study, cohort study, or meta-analysis, the study design type should be provided.

 Ethical approval: If the study in the article is on human subjects or human-originated material, informed consent for the study and the IRB approval number needs to be provided. If there is no IRB number, it should be discussed with the editor during the review process.

 Measurements: In describing analytic methods, a reporting guideline should be referred to for a better understanding of the content. If the methods are already well known, cite the method with a reference provided and mention only the modification, if any. If the method is something new, describe it more precisely. Complicated statistical methods can be placed in the Appendix. A methods section derived from previous articles is allowed to be described without consideration of duplicate publication. Duration of experiment, survey, analysis, or follow-up for a study should be clearly stated.

 Statistics: It should be described very meticulously. If the reviewers want to analyse the data to confirm the results, the raw data may be provided to the Editorial Office. Computer programs used for the statistical analysis should be stated with the name, manufacturer and the software version. Statistical results are encouraged to provide measurement error or uncertainty such as confidence intervals besides providing P-values.

(3) Results

It should be described logically according to the Methods section. Tables and figures are recommended to present the results more rapidly and easily. Do not duplicate the content of a table or a figure with in the Results section. Briefly describe the core results related to the conclusion in the text when data are provided in tables or in figures. In the Results section, audio or video files are also welcomed. Supplementary results can be placed in the Appendix.

(4) Discussion

It is important to deduce the conclusion from the results while avoiding statements not described in the Methods or the Results sections. At the first part of the Discussion section, briefly summarize the main findings, then explore possible explanations for these findings, compare, and contrast the results with other relevant studies. Please do not repeatedly mention the results of previous relevant studies, but mention any differences or concordances. Emphasize the core findings and the conclusions drawn from them with the best available evidence. At the last part of the Discussion section, describe the limitations of the study and any future research plans. If there was a research hypothesis mentioned in the Introduction section, it should be addressed and whether it was proven, disproven or remains to be addressed at a later study.

(5) Conclusion

The main conclusions of the study may be presented in a separate short conclusions section.

(6) Conflict of interest

It should be disclosed here according to the statement in the Research and publication ethics regardless of existence of conflict of interest. If the authors have nothing to disclose, please state: “The authors declare no conflicts of interest.”

(7) Funding

Funding to the research should be provided here. Providing a FundRef ID is recommended including the name of the funding agency, country and if available, the number of the grant provided by the funding agency. If the funding agency does not have a FundRef ID, please ask that agency to contact the FundRef registry (e-mail: Additional detailed policy of FundRef description is available from

Example of a funding description is as follows:

This work was supported by the Basic Science Research Program through the National Research Foundation of Korea funded by the Korea Ministry of Education (Grant No. 2018R1AXXXX).

(8) Acknowledgments

Any persons that contributed to the study or the manuscript, but not meeting the requirements of an authorship could be placed here. For mentioning any persons or any organizations in this section, there should be a written permission from them.

(9) Supplementary Materials

If there are any supplementary materials to help the understanding of readers or too great amount data to be included in the main text, it may be placed as supplementary data. Not only recording of the abstract, text, audio or video files, but also data files should be added here.

(10) References

The description of the Reference section is provided below. The References follow the PubMed (NLM) Style Guide for Authors, Editors, and Publishers ( if not mentioned below. Every reference in the Reference section should be cited in the text. The number assigned to the reference citation is according to the first appearance in the manuscript. In-text references should be numbered sequentially in the order of their citation in the text, e.g., [1,2], and appear in the list at the end of the main text. In the reference list, for six or fewer authors, the surnames and initials of all authors can be listed. For seven or more authors, the abbreviation “et al.” should be added to the list of the first three authors, along with the title of article, the abbreviated name of the journal, year, volume, and the first and last page numbers.

Examples of reference descriptions according to type of references are as followings:

 Journal articles

[1] Pate RR, Pratt M, Blair SN, et al. Physical activity and public health. A recommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine. JAMA. 1995; 273 (5):402-407.

[2] An KO, Kim J. Association of sarcopenia and obesity with multimorbidity in Korean adults: a nationwide cross-sectional study. J Am Med Dir Assoc. 2016; 17(10):960.e961-967.


[3] American College of Sports Medicine. ACSM's guidelines for exercise testing and prescription. Lippincott Williams & Wilkins, 2013, p 35-43.

[4] Jeukendrup A, Gleeson M. Sport Nutrition: An Introduction to Energy Production and Performance. Illinois, USA. Human Kinetics. 2004, p 96-105.

 Web sites

[5] CDC. National Health and Nutrition Examination Survey: Technical Documentation for the 1999-2004, Dual Energy X-Ray Absorptiometry (DXA) Multiple Imputation Data files. 2008; http:// (Accessed Apr 11, 2017)

(11) Tables and figures (drawings and pictures)

There is limit of 7 tables or figures per manuscript. Tables have to be submitted as editable text on separate page(s) placed next to the main text in the manuscript. Number the 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. The corresponding description should be placed directly below the table.

Ensure that figure files are in an acceptable format (TIFF, JPEG, Excel, PPT, and PDF) with the correct resolution. Figures should be provided as separate file with a minimum of 300 dpi (600 dpi for bitmapped line drawings). If usable color figures are submitted along with your accepted article, no additional charges would ensue.