1. Department of Ophthalmology; Soonchunhyang Bucheon Hospital; Soonchunhyang University College of Medicine; Bucheon Korea
2. Yonsei University Graduate School of Medicine; Seoul Korea
3. Department of Endocrinology; Brain Korea 21 Project for Medical Science; Institute of Endocrine Research and Severance Integrative Research Institute for Cerebral & Cardiovascular Disease; Yonsei University College of Medicine; Seoul Korea
4. Department of Ophthalmology; The Institute of Vision Research; Yonsei University College of Medicine; Seoul Korea