1. Division of Endocrinology and Metabolism, Department of Internal Medicine Universidad del Cauca Popayan Colombia
2. Centro de Investigación Arequipa – EXACTA LAB SAC Yanahuara Peru
3. Centro de Especialidades Médicas de Celaya Guanajuato Mexico
4. Medical Department Sanofi Bogotá Colombia
5. Medical Department Sanofi Mexico City Mexico