1. Division of Clinical Epidemiology, University of Texas Health Sciences Center, San Antonio, Texas
2. Leadership Sinai Centre for Diabetes, Mt. Sinai Hospital, Toronto, Ontario, Canada
3. Centro de Estudios en Diabetes, American British Coudray Hospital, Endocrinology and Metabolism Service, Division of Internal Medicine, Mexican Social Security Institute, Mexico City, Mexico
4. Department of Public Health Sciences, Wake Forest University School of Medicine, Winston Salem, North Carolina