1. Department of Ophthalmology, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
2. Department of Ophthalmology, College of Medicine, Chang Gung University, Linkuo, Taiwan
3. Health Information and Epidemiology Laboratory, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
4. Department of Nursing, Chang Gung University of Science and Technology, Chiayi, Taiwan
5. School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan