1. Plastic Surgery Unit, University Hospital Trust of Sassari, 07100 Sassari, Italy
2. Plastic, Reconstructive and Aesthetic Surgery Training Program, University of Sassari, 07100 Sassari, Italy
3. Skinlab, Department of Biomedical Science, University of Sassari, 07100 Sassari, Italy
4. Department of Biomedical Science, University of Sassari, 07100 Sassari, Italy
5. Department of Medicine, Surgery and Pharmacy, University of Sassari, 07100 Sassari, Italy