1. Department of Ophthalmology, St. Vincent’s Hospital, College of Medicine, Catholic University of Korea, Suwon, Republic of Korea
2. Department of Ophthalmology, Seoul St. Mary’s Hospital, College of Medicine, Catholic University of Korea, Seoul, Republic of Korea
3. Department of Ophthalmology, Uijeongbu St. Mary’s Hospital, College of Medicine, Catholic University of Korea, Uijeongbu, Republic of Korea