1. Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
2. Department of Ophthalmology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
4. Department of Ophthalmology, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
5. Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
6. Department of Ophthalmology, Pusan National University Hospital, Busan, Korea.
7. Department of Ophthalmology, Ajou University School of Medicine, Suwon, Korea.
8. Department of Ophthalmology, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Korea.
9. Department of Ophthalmology, Jeonbuk National University College of Medicine, Jeonju, Korea.
10. Department of Ophthalmology, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea.
11. Department of Ophthalmology, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.