1. From the Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; the 2Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan, Taiwan;
2. the Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan, Taiwan;
3. the Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, Taiwan;
4. the Departments of Medical Research and
5. From the Department of Ophthalmology, Chang Gung Memorial Hospital, Taoyuan, Taiwan;
6. the Departments of Medical Research and 5Ophthalmology, Mackay Memorial Hospital, Taipei, Taiwan; and the 6Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan.