1. Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine Weill Cornell Medical College New York New York USA
2. Department of Medicine Mount Sinai Beth Israel New York New York USA
3. Department of Obstetrics and Gynecology The George Washington University Washington DC USA
4. Department of Medicine Rutgers New Jersey Medical School Newark New Jersey USA
5. Department of Biostatistics and Epidemiology Weill Cornell Medical College New York New York USA