*Policy Research Associates Inc., Delmar, NY †Methods and Results LLC, Austin, TX We have reviewed the author requirements and confirm that both of us meet each of the three authorship requirements as stated in the Uniform Requirements for Manuscripts Submitted to Biomedical Journals. The authors declare no conflict of interest. Reprints: Jen Elder, MSc, Policy Research Associates Inc., 345 Delaware Avenue, Delmar, NY 12054. E-mail: [email protected].
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