1. Apgujung St. Mary’s Eye Center, Seoul, Republic of Korea
2. Keye Eye Center, 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, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
5. Department of Ophthalmology, Nune Eye Hospital, Seoul, Republic of Korea