1. Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Republic of Korea
2. Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, TX, USA
3. Department of Anatomy, Yonsei University College of Medicine, Seoul, Republic of Korea
4. Department of Anatomy, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Republic of Korea
5. Department of Ophthalmology, Neurology, Neurosurgery, Weill Cornell Medicine, New York, NY, USA
6. Department of Ophthalmology, University of Texas Medical Branch, Galveston, TX, USA
7. Department of Ophthalmology, UT MD Anderson Cancer Center, Houston, TX, USA
8. Department of Ophthalmology, Texas A and M College of Medicine, College Station, TX, USA