1. Department of Epidemiology, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences
2. Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences
3. Department of Internal Medicine, College of Medicine, University of Arkansas for Medical Sciences
4. Department of Health Policy and Management, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences
5. Department of Psychiatry and Human Behavior, Warren Alpert School of Medicine, Brown University
6. Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, The Catholic University of Korea
7. Department of Gastroenterology, National Cancer Center
8. Department of Statistics and Actuarial Science, Soongsil University