1. Mansoura Dermatology Venerology and Leprology Hospital Mansoura Egypt
2. Department of Dermatology Alpert Medical School of Brown University Providence Rhode Island
3. Department of Dermatology Medical School of Jundiaí São Paulo Brazil
4. College of Medicine Central Michigan University Saginaw Michigan USA
5. University of Studies Guglielmo Marconi Rome Italy
6. Bidarskincenter Tehran Iran
7. University of Rome G. Marconi Rome Italy
8. Department of Dermatology University Medical Center Mainz Mainz Germany
9. Department of Dermatology University Hospital Basel Basel Switzerland