1. Pharmacy Department, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
2. Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
3. Department of Ophthalmology and Micro-technology, Yokohama City University, Yokohama, Japan
4. Faculty of Medicine, Al-Azhar University, Cairo, Egypt