1. Department of Ophthalmology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
2. Department of Ophthalmology, Korea University College of Medicine, Seoul, Republic of Korea
3. Department of Neurosurgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
4. Department of Ophthalmology, Inje University Sanggye Paik Hospital, Seoul, Republic of Korea
5. SU Yonsei Eye Clinic, Seoul, Republic of Korea
6. Department of Ophthalmology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea