1. Division of Endocrinology, Diabetes & Metabolic Diseases, Sidney Kimmel Medical College of Thomas Jefferson University; Philadelphia Pennsylvania
2. National Research Institute; Los Angeles California
3. Department of Diabetes, Nutrition and Metabolic Diseases, Carol Davila University of Medicine and Pharmacy; Bucharest Romania
4. AstraZeneca; Gaithersburg Maryland
5. Apex Medical Research; Chicago Illinois