1. Corneal Dystrophy Research Institute, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
2. Department of Food Marketing and Safety, Konkuk University, Seoul 05029, Republic of Korea
3. The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
4. Saevit Eye Hospital, Goyang-si 10447, Republic of Korea