Study concept and design: Veenstra, Regenbogen, Hawley, Abrahamse, Morris.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Veenstra, Abrahamse, Banerjee, Morris.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Regenbogen, Abrahamse, Banerjee, Morris.
Obtained funding: Morris.
Study supervision: Hawley, Morris.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Veenstra reported receiving institutional funding from Pfizer unrelated to this research letter. No other disclosures were reported.
Funding/Support: Dr Morris and the study are supported by research scholar grant 11-097-01-CPHPS from the American Cancer Society.
Role of the Funder/Support: The American Cancer Society played no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: We thank Ashley Gay, MOA (Department of Surgery, University of Michigan), Kevin Ward, PhD (Department of Epidemiology, Emory University), and Ikuko Kato, PhD (Department of Pathology, Wayne State University), for their assistance in data collection and support. All were supported by research scholar grant 11-097-01-CPHPS from the American Cancer Society.