1. Gangnam St. Mary's One Eye Clinic, Seoul, Republic of Korea
2. College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
3. Department of Ophthalmology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
4. Department of Ophthalmology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea