1. Department of Orthopaedics, Traumatology and Rehabilitation, Microsurgery Unit, Azienda Ospedaliera Universitaria, Città della Salute e della Scienza, Orthopaedic and Trauma Center, Via Zuretti 29, 10126 Turin, Italy
2. Department of Orthopaedics, Traumatology and Rehabilitation, Orthopaedic Clinic, Second University of Naples, Via S. Andrea Delle Dame, 80100 Naples, Italy