1. Department of Gynecology and Obstetrics, The Johns Hopkins School of Medicine, Baltimore, Maryland.
2. Department of Population and Family Health Sciences, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
3. Division of General Internal Medicine, Department of Medicine, Department of Health Sciences Informatics, The Johns Hopkins School of Medicine, Baltimore, Maryland.
4. Division of Endocrinology, Department of Medicine, Mayo Clinic, Jacksonville, Florida.
5. Division of Endocrinology and Metabolism, The Johns Hopkins School of Medicine, Baltimore, Maryland.
6. Division of General Internal Medicine, Department of Medicine, Welch Center for Prevention, Epidemiology, and Clinical Research, The Johns Hopkins School of Medicine, Baltimore, Maryland.
7. Departments of Epidemiology, and Health Policy and Management, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.