| Department of Ophthalmology, Korea University College of Medicine(1), Department of Ophthalmology, Eulji Medical Center, Eulji University School of Medicine(2), Department of Ophthalmology, College of Medicine, University of Ulsan(3), Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea(4), Department of Ophthalmology, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea(5), Gachon University Gil hospital Department of Ophthalmology(6) |