1. Mansoura Dermatology, Venerology and Leprology Hospital Mansoura Egypt
2. Department of Dermatology University of Studies Guglielmo Marconi Rome Italy
3. Department of Dermatology Necmettin Erbakan University Meram Medical Faculty Konya Turkey
4. Department of Dermatology and Allergology, Städtisches Klinikum Dresden, Academic Teaching Hospital Dresden Germany
5. University of Rome G. Marconi Rome Italy
6. Department of Dermatology and Communicable Diseases First Medical State Moscow University I. M. Sechenev Moscow Russia