[1] Fox Chase Canc Ctr, Dept Surg Oncol, Philadelphia, PA 19111 USA
[2] Univ Michigan, Sch Publ Hlth, Dept Epidemiol, Ann Arbor, MI 48109 USA
[3] Univ Michigan, Med Ctr, Dept Surg, Ann Arbor, MI 48109 USA
[4] Univ Michigan, Robert Wood Johnson Clin Scholars Program, Ann Arbor, MI 48109 USA
[5] Univ Michigan, Med Ctr, Dept Internal Med, Div Gen Med, Ann Arbor, MI 48109 USA
[6] Ann Arbor VA Hlth Care Syst, Vet Adm Ctr Pract Management & Outcomes Res, Ann Arbor, MI USA
[7] Univ Michigan, Med Ctr, Dept Surg, Sect Plast Surg, Ann Arbor, MI 48109 USA