1. Department of Ophthalmology, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, Taipei, Taiwan
2. School of Medicine, Tzu-Chi University, Hualien, Taiwan
3. Institute of Veterinary Clinical Science, School of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
4. Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
5. Department of Ophthalmology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
6. Department of Dentistry, School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan