Affiliation
Department of Medicine, University of Michigan, Ann Arbor, Michigan. Electronic address: cathkim@umich.edu.; Department of Epidemiology, University of Michigan, Ann Arbor, Michigan.; Gilead Sciences, Foster City, California.; Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota.; Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota.; Department of Epidemiology, University of Michigan, Ann Arbor, Michigan.; Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan.; Department of Epidemiology, University of Michigan, Ann Arbor, Michigan.