1. Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia;
2. Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Al-Azhar University, Assiut, Egypt;
3. Department of Pharmaceutical Chemistry and Drug Bioavailability Laboratory, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia;
4. Drug Bioavailability Center, National Organization for Drug Control and Research, (NODCAR), Cairo, Egypt;
5. Department of Pharmaceutics, College of Pharmacy, Assiut University, Assiut, Egypt