1. ‘P. Valdoni’ Department of Surgery, U.O. of Plastic Reconstructive Surgery; ‘Sapienza’ University of Rome; Rome Italy
2. Policlinico Luigi Di Liegro; Via dei Badoer; Rome Italy
3. Drexel University College of Medicine; Philadelphia PA USA
4. Faculty of Bioscience and Technology for Food, Agriculture and Environment; University of Teramo; Teramo Italy