1. Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
2. Department of Ophthalmology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan