1. School of Optometry, Indiana University, Bloomington, Indiana, United States
2. School of Optometry, University of California, Berkeley, California, United States
3. Crawley Vision Research Laboratory, Department of Ophthalmology, College of Medicine, University of Cincinnati, Ohio, United States
4. Department of Ophthalmology, Chang-Gung Memorial Hospital, Linkou, Taiwan
5. Chang-Gung University College of Medicine, Taoyuan, Taiwan
6. Department of Ophthalmology, Wakayama Medical University, School of Medicine, Wakayama, Japan
7. Department of Chemistry, Indiana University, Bloomington, Indiana, United States