1. Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt University School of Medicine, Nashville, Tennessee2Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee
2. Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt University School of Medicine, Nashville, Tennessee2Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, Tennessee3International
3. Department of Epidemiology, Shanghai Cancer Institute, Xuhui, Shanghai, China
4. Department of Internal Medicine, Meharry Medical College, Nashville, Tennessee
5. Department of Epidemiology, Harvard School of Public Health, Harvard University, Boston, Massachusetts