1. Cancer Research Center, Tishreen University, Latakia, Syrian Arab Republic
2. Department of Dermatology, National Hospital of Latakia, Latakia, Syrian Arab Republic
3. Department of Dermatology, Aleppo University Hospital, Aleppo, Syrian Arab Republic
4. Department of Medicine, Tartous University, Tartous, Syrian Arab Republic
5. Department of Dermatology, Damascus University, Damascus, Syrian Arab Republic
6. Department of Dermatology, Mamdouh Abaza Hospital, Al Qunaitra, Syrian Arab Republic,