1. Department of Preventive Medicine, Keck School of Medicine, University of Southern California
2. Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California
3. Department of Epidemiology, Colorado School of Public Health and AMC/CancerCure Chair, Cancer Prevention and Control, University of Colorado Cancer Center
4. Department of Medicine, Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center