[1] Ist Univ Sci Motor, Dipartimento Sci Movimento Umano & Sport, Unita Endocrinol, I-00194 Rome, Italy
[2] Natl Inst Sports Med, Rome, Italy
[3] Univ Parma, Dept Clin Sci, Chair Sports Med, I-43100 Parma, Italy
[4] Univ Palermo, Chair Sports Med, Palermo, Italy
[5] Inst Sports Med Turin, Turin, Italy
[6] Univ Milan, Inst Phys Educ Hlth & Sports, Milan, Italy
[7] Operat Unit Sports Med, Bari, Italy
[8] Operat Unit Sports Med, Pesaro, Italy
[9] Operat Unit Sports Med, Potenza, Italy
[10] Operat Unit Sports Med, Catanzaro, Italy
[11] Operat Unit Sports Med, Verona, Italy
[12] Operat Unit Sports Med, Rieti, Italy
[13] Operat Unit Sports Med, Messina, Italy
[14] Operat Unit Sports Med, Bologna, Italy
[15] Operat Unit Sports Med, Ascoli Piceno, Italy
[16] Operat Unit Sports Med, Turin, Italy
[17] Operat Unit Sports Med, Viterbo, Italy
[18] Operat Unit Sports Med, Salerno, Italy
[19] Operat Unit Sports Med, Genoa, Italy
[20] Operat Unit Sports Med, Lecce, Italy
[21] Operat Unit Sports Med, Rome, Italy
[22] Operat Unit Sports Med, Viareggio, Italy
[23] Operat Unit Sports Med, Ragusa, Italy
[24] Operat Unit Sports Med, Ancona, Italy
[25] Operat Unit Sports Med, Taranto, Italy
[26] Univ Roma La Sapienza, Dept Expt Med & Pathol, Rome, Italy