1. Department of Dermatology Kuwait University Hospital Sana'a Yemen
2. Mansoura Dermatology, Venerology and Leprology Hospital, Mansoura, Egypt & 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 Pathology, Faculty of Medicine Al‐Azhar University Cairo Egypt
5. Department of Neurosurgery Typical Police Hospital Sana'a Yemen
6. Konya Ereğli State Hospital, Department of Dermatology Konya & Necmettin Erbakan University Meram Medical Faculty, Department of Dermatology Konya Turkey