1. Department of Dermatology, National Research Centre, Cairo University, Cairo, Egypt;
2. Dermatology Unit, Department of Medical Laser Applications, National Institute of Laser Enhanced Sciences, Cairo University, Cairo, Egypt;
3. Pharmaceutics Unit, Department of Medical Laser Applications, National Institute of Laser Enhanced Sciences, Cairo University, Cairo, Egypt;
4. Department of Pharmaceutics and Industrial Pharmacy, Ain Shams University, Cairo, Egypt;
5. Department of Pharmaceutics and Pharmaceutical Technology, Mutah University, Al-Karak, Jordan;
6. Department of Medical Biochemistry, National Research Centre, Cairo University, Cairo, Egypt;
7. Department of Pathology, National Research Centre, Cairo University, Cairo, Egypt