1. Baylor University Medical Center, Dallas, Texas
2. Ochsner Clinic, New Orleans, Louisiana
3. Division of Endocrinology, Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
4. Cleveland Clinic Foundation, Cleveland, Ohio
5. North Texas Health Care Associates, Irving, Texas
6. North Shore Diabetes and Endocrine Associates, New Hyde Park, New York
7. Research Center, Department of Medicine, Centre Hospitalier de l’Université de Montréal, Campus Hôtel-Dieu, University of Montreal, Montreal, Quebec, Canada
8. West Los Angeles VA Medical Center, Los Angeles, California