[1] Univ Calif Davis, Grad Grp Epidemiol, One Shields Ave, Davis, CA 95616 USA
[2] Univ Calif Davis, Dept Dermatol, Sacramento, CA USA
[3] Univ Calif Davis, Sch Med, Dept Publ Hlth Sci, Davis, CA USA
[4] Univ Calif Davis, Comprehens Canc Ctr, Ctr Oncol Hematol Outcomes Res & Training COHORT, Div Hematol & Oncol, Sacramento, CA USA
[5] Univ Calif Davis, Dept Pathol & Lab Med, Sacramento, CA USA