1. Department of Surgery “P. Valdoni”, Unit of Plastic and Reconstructive Surgery; Sapienza University of Rome, Policlinico Umberto I; Roma Italy
2. Unit of Plastic and Reconstructive Surgery, Department of Surgery; Ospedale Santa Maria Della Misericordia; Perugia (PG) Italy
3. UOC di Chirurgia Generale; Ospedale San Francesco; di Nuoro Italy