Authorship and contribution policy

In determining the authorship of the manuscript, please observe the following criteria:

1. Substantial contributions to conception and design of the study; or acquisition, analysis or interpretation of data for the study; AND

2.  Drafting of work or critical review of its intellectual content; AND

3. Final approval of the version to be published; AND

4. Agreement to be responsible for all aspects of the work to ensure that issues relating to the accuracy or completeness of any of the work are properly investigated and resolved.

The section “Author contributions”, included immediately after the main text of the manuscript, should describe the contributions of individual authors and, in doing so, all authors agree to be responsible for the content of the work.

Cooperation partners who do not meet all the criteria defined for authorship should not appear as authors, but must be recognized in the acknowledgements.