1. Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung, Taiwan.
2. School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.
3. An-Shin Dialysis Center, NephroCare Ltd., Fresenius Medical Care, Taichung, Taiwan.
4. Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan.
5. School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan.