1. Department of Epidemiology, Fielding School of Public Health, University of California Los Angeles , Los Angeles, CA , USA
2. College of Health and Public Service, University of North Texas , Denton, TX , USA
3. Department of Preventative Medicine, Keck School of Medicine and Department of Geography, University of Southern California , Los Angeles, California , USA
4. Department of Medicine, Section of Endocrinology, University of California Los Angeles , Los Angeles, CA , USA
5. Department of Surgery, Section of Endocrine Surgery, University of California Los Angeles , Los Angeles, CA , USA