Fred Hutchinson Cancer Research Center, Fred Hutchinson Cancer Research Center - Public Health Sciences Division, Georgetown University - Georgetown University Medical Center, Los Angeles BioMedical Research Institute (LABioMed), University of Arizona, Northwestern University - Department of Preventive Medicine, Fred Hutchinson Cancer Research Center - Public Health Sciences Division, Harvard University - Brigham and Women's Hospital, Fred Hutchinson Cancer Research Center, University of Pittsburgh, Fred Hutchinson Cancer Research Center - Public Health Sciences Division, University of Tennessee, Memphis, University of Iowa and Government of the United States of America - National Heart, Lung and Blood Institute