1. Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA
2. Greater Baltimore Medical Center, Baltimore, MD
3. Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Boston, MA
4. Joslin Diabetes Center, Boston, MA
5. Section of Endocrinology, Department of Medicine, West Virginia University School of Medicine, Morgantown, WV
6. Department of Obstetrics and Gynecology, Brigham and Women’s Hospital, Boston, MA
7. Department of Obstetrics & Gynecology, Massachusetts General Hospital, Boston, MA