From the Division of Public Health Sciences
Fred Hutchinson Cancer Research Center, Seattle, WA (G.L.A., B.L., S.D., C.Y.W., R.L.P.); Division of Preventive Medicine, Brigham and Women's Hospital, Boston, MA (J.M.); Department of Preventive Medicine, University of Iowa College of Medicine, Iowa City, IA (R.W.); Emory University, Atlanta, GA (D.H.); Department of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC (S.S.); and Medical Research Labs, Highland Heights, KY (E.S.), USA