1. Dermatology Clinic, Maggiore Hospital, University of Trieste, Trieste, Italy
2. Dermatology Section, Plastic and Reconstructive Surgery Department, Campus Bio-Medico University of Rome, Rome, Italy
3. Unit of Gastroenterology and Digestive Endoscopy, Campus Bio Medico University, Rome, Italy
4. Plastic and Reconstructive Surgery Department, Campus Bio-Medico University of Rome, Rome, Italy
5. Department of Clinical and Experimental Medicine, Dermatology, University of Messina, Messina, Italy
6. Dermatology Clinic, Mureș County Hospital, Tîrgu Mureș, Romania