1 Department of Medical Education, Chang Gung Memorial Hospital, 61363 Chiayi, Taiwan; Department of Ophthalmology, Chang Gung Memorial Hospital, 61363 Chiayi, Taiwan.
2 Department of Ophthalmology, Chang Gung Memorial Hospital, 61363 Chiayi, Taiwan.
3 Department of Ophthalmology, Chang Gung Memorial Hospital, 61363 Chiayi, Taiwan; Department of Medicine, Chang Gung University, 33302 Taoyuan, Taiwan; Department of Nursing, Chang Gung University of Science and Technology, 61363 Chiayi, Taiwan; School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, 33302 Taoyuan, Taiwan.
4 Department of Ophthalmology, Chang Gung Memorial Hospital, 61363 Chiayi, Taiwan; Department of Medicine, Chang Gung University, 33302 Taoyuan, Taiwan. Electronic address: peilun@cgmh.org.tw.