1. Department of Ophthalmology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
2. Department of Endocrinology, Severance Hospital, Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Korea
3. Division of Oculofacial Plastic and Reconstructive Surgery, Department of Ophthalmology, Shiley Eye Institute, University of California San Diego, La Jolla, California, United States
4. Department of Ophthalmology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea