Conflict of Interest
All authors must disclose all relationships or interests in their manuscript any financial or other substantive conflict of interest that might have influenced the presented results or their interpretation.
Authors can disclose potential conflicts of interest via the online submission system during the submission process. Declarations regarding conflicts of interest can also be stated in the cover letter.A statement in the manuscript must include in a separate section “Conflicts of Interest” placed just before the reference list. The statement should reflect all the collected potential conflict of interest disclosures in the form. If authors who have nothing to declare are encouraged to add "No conflict of interest was reported by all authors" in this section.