1. Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
2. Department of Pharmaceutics, Egyptian Drug Authority, Formerly Known as National Organization for Drug Control and Research, Giza, Egypt
3. Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
4. Department of Pharmaceutics, Faculty of Pharmacy and Drug Technology, The Egyptian Chinese University, Cairo, Egypt