1. Department of Surgery University of Maryland Baltimore MD USA
2. Department of Dermatology Case Western Reserve University Cleveland OH USA
3. Clinical Dermatology IRCCS Istituto Ortopedico Galeazzi Milan Italy
4. Department of Biomedical, Surgical and Dental Sciences University of Milan Milan Italy
5. Dermatology Division Department of Clinical Medicine and Surgery University of Naples Federico II Naples Italy
6. Department of Dermatology and Plastic Surgery Cleveland Clinic Cleveland OH USA