Established on January 1, 2016

Amended on January 20, 2020

The authorship should be restricted to those who should meet any of the following conditions: 1) substantial contribution to the conception and design of the study, or acquisition, interpretation and analysis of data; 2) drafting the article or revising it critically for the important intellectual content; and 3) final approval of the version to be published. The paper should be the authors' own original work, which has not been previously published elsewhere. To verify originality, your article will be checked by the text-similarity detection service CrossCheck.

For the policies on the research and publication ethics not stated in this instruction, International standards for editors and authors (http://publicationethics.org/international-standards-editors-and-authors) can be applied. When the journal faces suspected cases of research and publication misconduct such as duplicate publication, plagiarism, or fabricated data, changes in authorship, an undisclosed conflict of interest, ethical problems with a submitted manuscript, a reviewer who has appropriated an author’s idea or data, complaints against editors, and so on, the resolution process will follow the flowchart provided by the COPE (http://publication-ethics.org/resources/flowcharts). The discussion and decision on the suspected cases are carried out by the Research Ethic Committee composed of the Editorial Board members.