1. Favaloro University Buenos Aires Argentina
2. Argentine Society of Nutrition Buenos Aires Argentina
3. Chilean Society of Obesity Santiago de Chile Chile
4. Endocrinology and Metabology Service Clinics Hospital, University of São Paulo Medical School São Paulo Brazil
5. Colombian Association of Endocrinology, Diabetes and Metabolism Armenia Colombia
6. Latinamerican Federation of Endocrinology Panama City Panama
7. Salvador Zubiran National Institute of Medical Sciences and Nutrition Tlalpan Mexico
8. University Hospital and Medical School, Autonomous University of Nuevo León Monterrey Mexico
9. Peruvian Society of Endocrinology Lima Peru
10. Guatemalan Association of Endocrinology, Metabolism and Nutrition Guatemala City Guatemala
11. Ecuadorian Society of Endocrinology Quito Ecuador
12. Ecuadorian Society of Internal Medicine Quito Ecuador
13. General Hospital “Dr. José Gregorio Hernandez”, Los Magallanes Caracas Venezuela