1. Department of Endocrinology, Diabetes, and Metabolism, Santa Croce and Carle Hospital, 12100 Cuneo, Italy
2. Endocrinology Service, Galeazzi Institute, Istituto Ricerca e Cura a Carattere Scientifico, 20161 Milan, Italy
3. Department of Medical Physics, Santa Croce and Carle Hospital, 12100 Cuneo, Italy