1. Department of Education Kaohsiung Chang Gung Memorial Hospital Kaohsiung Taiwan
2. Department of Ophthalmology Kaohsiung Chang Gung Memorial Hospital Kaohsiung Taiwan
3. Department of Ophthalmology Kaohsiung Municipal Siaogang Hospital Kaohsiung Taiwan
4. Department of Ophthalmology Kaohsiung Medical University Hospital Kaohsiung Taiwan
5. Graduate Institute of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
6. Department of Ophthalmology, School of Medicine, College of Medicine Kaohsiung Medical University Kaohsiung Taiwan