1. Department of Medical Research, Mackay Memorial Hospital, New Taipei City, Taiwan
2. Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
3. Faculty of Medicine, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
4. Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
5. Department of Ophthalmology, Mackay Memorial Hospital, Taipei, Taiwan
6. Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, Taiwan