1. Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
2. Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
3. Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Mutah University, Mutah, Jordan
4. Department of Dermatology, STD’s and Andrology, Faculty of Medicine, Minia University, Al Minya, Egypt