Signatures of all authors

Every named author of this manuscript must sign below. Electronic signatures are accepted. By signing, each author confirms, on their own behalf, that they have read this entire form and that all declarations in Sections 2, 3, and 4 are true and accurate.

If your manuscript has more than 6 authors, photocopy this signature page or attach an additional sheet using the same format. The corresponding author is responsible for collecting all signatures before submission.