1. Physical Medicine and Rehabilitation, Department of Orthopaedics, Sapienza University, Umberto I Hospital, Piazzale Aldo Moro 3, 00185 Rome, Italy
2. Medical Genetics, Department of Molecular Medicine, Sapienza University, San Camillo-Forlanini Hospital, 00151 Rome, Italy
3. Department of Public Health and Infectious Diseases, Sapienza University, Umberto I Hospital, 00185 Rome, Italy