1. Department of Biochemistry, National Hepatology and Tropical Medicine Research Institute, Cairo, Egypt;
2. Department of Dermatology and Andrology, National Research Centre, Cairo, Egypt;
3. Department of Dermatology, Andrology, Sexual Medicine and STDs, Faculty of Medicine, Helwan University, Cairo, Egypt;
4. Medical Biochemistry, Faculty of medicine October 6 University, Cairo, Egypt;
5. Department of Dermatology, EL Sahel Teaching Hospital, Cairo, Egypt;
6. Clinical and Chemical Pathology Department, Faculty of Medicine, Cairo University, Cairo, Egypt;
7. Department of Dermatology, National Hepatology and Tropical Medicine Research Institute, Cairo, Egypt;
8. Department of Clinical Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt