Undisclosed Conflicts of Interest

Dear [CORRESPONDING AUTHOR]:

It has come to our attention that not all competing interests that are relevant to this manuscript may have been declared.

[Elaborate here and add link to the journal’s policy.]

We would be grateful for an explanation by [DATE]. (If paper has not been published, add: Until we have heard from you we cannot proceed further with the review/publication of your paper.) We look forward to hearing from you.

Sincerely,