1. Department of Ophthalmology, Hallym University College of Medicine, Chuncheon Sacred Heart Hospital, Chuncheon, Korea.
2. Siloam Eye Hospital, Seoul, Korea.
3. Corneal Dystrophy Research Institute, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Ophthalmology, Duke University, Durham, NC, USA.
5. Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea.
6. Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Korea.