1. Institute of Cell and Molecular Science, London, U.K.
2. Department of Endocrinology, Hopital Edouard Herriot, Lyon, France
3. Department of Endocrinology and Nutrition, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
4. Royal Victoria Hospital, Belfast, U.K.
5. Department of Clinical Science, University of Rome “Sapienza,” Rome, Italy
6. Department of Endocrinology and Diabetes, University Campus Bio-Medico, Rome, Italy