1. Andrology Unit; Endocrinology; Department of Clinical and Molecular Sciences; Umberto I Hospital; School of Medicine; Polytechnic University of Marche; Ancona Italy
2. Department of Economy; School of Economy; Polytechnic University of Marche; Ancona Italy
3. Andrology; Pathophysiology of Reproduction and Endocrine Diagnosis Unit; Policlinic Umberto I; University of Rome “La Sapienza”; Rome Italy