1. Department of Dermatology and Venereology, Tekirdag State Hospital, Tekirdag, Turkey.
2. Department of Dermatology and Venereology, Trakya University Medical Faculty, Edirne, Turkey.
3. Department of Biostatistics and Medical Informatics, Adnan Menderes University Medical Faculty, Aydin, Turkey.
4. Department of Biostatistics and Medical Informatics, Trakya University Medical Faculty, Edirne, Turkey.