1. Department of Dermatology and Venereology Istanbul Medeniyet University, School of Medicine, Goztepe Training and Research Hospital Istanbul Turkey
2. Department of Family Medicine Istanbul Medeniyet University, School of Medicine, Goztepe Training and Research Hospital Istanbul Turkey
3. Department of Dermatology University of Rome G. Marconi Rome Italy
4. Department of Dermatology University Hospital Basel Switzerland
5. Department of Dermatology and Venereology Uludag University, School of Medicine Bursa Turkey