1. Department of Ophthalmology, Hallym University College of Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea
2. Department of Radiation Oncology, Hallym University College of Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea
3. Department of Pathology, Hallym University College of Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea
4. Department of Internal Medicine, Hallym University College of Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea