1. Department of Ophthalmology; Chang Gung Memorial Hospital; Linkou Taiwan
2. Department of Medicine; College of Medicine; Chang Gung University; Taoyuan Taiwan
3. Department of Ophthalmology; Show Chwan Memorial Hospital; Changhua Taiwan
4. Department of Ophthalmology; School of Medicine; Stanford University; Stanford California USA
5. Department of Ophthalmology; Chang Gung Memorial Hospital; Keelung Taiwan
6. Department of Chinese Medicine; College of Medicine; Chang Gung University; Taoyuan Taiwan