1. Department of Dermatology and Allergy University Hospital, LMU Munich Munich Germany
2. PhD School in Clinical and Experimental Medicine University of Modena and Reggio Emilia Modena Italy
3. Department of Dermatology and Venereology, Istanbul Training and Research Hospital Org. Abdurrahman Nafiz Gürman Cad. Etyemez Istanbul Turkey
4. Department of Dermatology Stanford University School of Medicine Redwood City California USA
5. Dr. Phillip Frost Department of Dermatology & Cutaneous Surgery University of Miami, Miller School of Medicine Miami Florida USA