CONFLICT OF INTEREST
Authors must attach a declaration of potential conflicts of interest (e.g. financial relationships with the industry, affiliation or participation in an organization with a direct financial interest in the article's topic, etc.).
If you have an acknowledgments section, they should include contributions that do not justify authorship, acknowledgments to sources of financial support and support materials, and all types of technical help, even if it has been paid.
At the end of the article, each author's role in the research and the article should be placed.