1. Department of Ophthalmology, Edward S. Harkness Eye Institute, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
2. Department of Biophysics, Faculty of Medicine, Gazi University, Ankara, Turkey
3. Department of Ophthalmology, Saint Louis University, School of Medicine, Saint Louis, MO, USA
4. Department of Ophthalmology and Visual Sciences, Kentucky Lions Eye Center, University of Louisville, Louisville, KY, USA