Francesco Zanchetta1,2,3, Giorgio Eugenio Pajardi3, Luigi Troisi1,3. 1. Department of Plastic and Reconstructive Surgery, Salisbury NHS Foundation Trust, Salisbury, United Kingdom. 2. Plastic Reconstructive and Aesthetic Surgery Unit, University of Messina, Policlinico "G. Martino," Messina, Italy. 3. University Department of Hand Surgery and Rehabilitation, San Giuseppe Hospital, IRCCS MultiMedica Group, Milan, Italy.