1. Mansoura Dermatology Venerology and Leprology Hospital Mansoura Egypt
2. Department of Dermatology University of Studies Guglielmo Marconi Rome Italy
3. Department of Dermatology and Allergology StädtischesKlinikum Dresden, Academic Teaching Hospital Dresden Germany
4. Department of Dermatology Konya Ereğli State Hospital Konya Turkey
5. Department of Pathology, Faculty of Medicine Al‐Azhar University Cairo Egypt