Affiliation: | (1) Departments of Epidemiology and University of Washington, Seattle, WA 98195, USA;(2) Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA;(3) 2617 NE 13th Avenue, Portland, OR 97212-4149, USA;(4) Obstetrics and Gynecology, University of Washington, Seattle, WA 98195, USA |