1. Department of Paediatric Endocrinology Angeles Hospital of Puebla Puebla City Mexico
2. Pennington Biomedical Research Center Baton Rouge Louisiana USA
3. Texas Institute for Kidney and Endocrine Disorders Lufkin Texas USA
4. Department of Internal Medicine University of Texas Medical Branch Galveston Texas USA
5. Tiervlei Trial Centre Karl Bremer Hospital Cape Town South Africa
6. CAP Research Quatre Bornes Mauritius
7. Sanofi Paris France
8. Sanofi Frankfurt Germany
9. Sanofi Beijing China