Francesca Toia1, Pierluigi Tos2, Adriana Cordova3. 1. Plastic and Reconstructive Surgery, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy. Electronic address: francescatoia@gmail.com. 2. Department of Orthopedics and Traumatology, UOD Reconstructive Microsurgery, CTO-M. Adelaide Hospital of Turin, Turin, Italy. 3. Plastic and Reconstructive Surgery, Department of Surgical, Oncological and Oral Sciences, University of Palermo, Palermo, Italy.