1. Center of Endocrinological Oncology (M.M.M., R.M.M., S.M., M.M., P.L.), Department of Endocrinology, Physiopathology and Applied Biology, University of Milano, 20133 Milano, Italy
2. Department of Endocrinology and Metabolic Diseases (J.J.-C.), Medical University of Lodz, 93-338 Lodz, Poland