General instructions and Ethical aspects

Authorship: The concept of authorship is based on the substantial contribution of each of the persons listed as authors. Authorship criteria should be based on the deliberations of the International Committee of Medical Journal Editors (, which recommends that authorship be based on the following criteria: 1. Conception or design of the work, or the acquisition, analysis, or interpretation of data; 2. Drafting the manuscript or revising it critically for important intellectual content; 3. Final approval of the version to be published; and 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. These four conditions must be fully met. All those designated as authors must meet the authorship criteria.

The maximum number of authors is seven. The inclusion of co-authors whose contribution does not meet the above criteria is not justified. People who provided technical or general support can be mentioned in the Acknowledgments section. All authors must inform their ORCID registration number (

Conflict of interest: All authors and reviewers must disclose any conflict of interest that may have arisen during the development of the study.

Ethical aspects

This journal follows the recommendations of the Committee on Publication Ethics (COPE) and the Code of Conduct and Best Practice Guidelines for Journal Editors. The journal adopts the Uniform Requirements for manuscripts submitted to biomedical journals (Vancouver style).

The ethical precepts of research involving human beings or animal experimentation must be respected. The publication of manuscripts reporting research results involving human beings is conditioned to the fulfillment of the ethical principles contained in the Declaration of Helsinki (2008) from the World Medical Association.

Compliance with the specific legislation of the country in which the research was carried out must be observed. Reference to this aspect should appear in the last paragraph of the Methods section. Authors must insert the number of approval protocol issued by a Research Ethics Committee. A copy of the approval granted by the Research Ethics Committee must be attached and sent through the OJS electronic system.

Funding: Declare the institutional or private sources of funding for carrying out the study. For those without financial resources, inform that the research received no funding. In the case of financial support from an institution, inform the grant number.

Copyright: In case of approval of the manuscript, all material published will become Rev Rene's property, and the journal will become the holder of the authors' rights. The authors must forward a Statement of Responsibility and Copyright Transfer, signed by all co-authors (download).