1. Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
2. Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
3. Department of Physics and Materials Science, The University of Memphis, Memphis, Tennessee 38152, United States
4. Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States