1. Section of Endocrinology, University of Messina, Messina, Italy.
2. Section of Dermatology, Department of Clinical & Experimental Medicine, University of Messina, Messina, Italy.
3. Internal Medicine, Palo Alto Medical Foundation, Mountain View, California.
4. Section of Master's Program on Childhood, Adolescence & Women's Endocrine Health, University of Messina, Messina, Italy.
5. Interdepartmental Program of Molecular & Clinical Endocrinology and Women's Endocrine Health, A.O.U. Policlinico G. Martino, Messina, Italy.