1. Section of Endocrinology and Andrology; Department of Experimental and Clinical Medicine; International Master in Experimental and Clinical Medicine and Cellular Physiopathology; University of Catania; Catania Italy
2. IRCCS Oasi Institute for Research on Mental Retardation and Brain Aging; Troina (EN) Italy
3. Department of Bio-Medical Sciences; University of Catania; Catania Italy