1 Department of Plastic and Reconstructive Surgery, Catholic University of the Sacred Heart, Rome, Italy marco.dettorre@hotmail.it Department of Metabolic Diseases, Institute of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy Department of Plastic and Reconstructive Surgery, Catholic University of the Sacred Heart, Rome, Italy Department of Metabolic Diseases, Institute of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy Department of Plastic and Reconstructive Surgery, Catholic University of the Sacred Heart, Rome, Italy Department of Anatomopathology, Catholic University of the Sacred Heart, Rome, Italy.