1. Department of Ophthalmology, College of Medicine, Seoul National University, Seoul, Korea.
2. Department of Ophthalmology, Chung-Ang University Hospital, Seoul, Korea.
3. Department of Ophthalmology, Dong-A University Hospital, Busan, Korea.
4. Ilchun Molecular Medicine Institute and Department of Biochemistry, College of Medicine, Seoul National University, Seoul, Korea.
5. Department of Ophthalmology, Kangbuk Samsung Hospital, Sungkyunkwan University, Seoul, Korea.