Declaration of Competing Interests
Corresponding authors must disclose, on behalf of all authors of an article, any financial and personal relationships with other individuals or organizations that could inappropriately influence (allow to influence) their work. Examples of potential conflicts of interest include employment, consulting activities, stock ownership, honoraria, paid expert testimony, patent applications/registrations, and grants or other funding. All authors, including those who have no competing interests to declare, should provide the corresponding author with the relevant information (who may indicate that they have nothing to declare). Corresponding authors should then use this tool to create a joint statement and send it to the editor or upload it to the submission system.