1. From the Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea; the 2Seoul National University Bundang Hospital, Seongnam, Korea;
2. the Hamilton Glaucoma Center and Department of Ophthalmology, University of California San Diego, La Jolla, California; and
3. From the Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea;
4. From the Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea; the 4Seoul National University Boramae Hospital, Seoul, Korea.