1 Department of Ophthalmology, Mackay Memorial Hospital, Taipei, Taiwan.
2 College of Medicine, School of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Department of Ophthalmology, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, Columbia University, New York, New York.
3 Department of Ophthalmology, Mackay Memorial Hospital, Taipei, Taiwan; Department of Optometry, Mackay Medical College, New Taipei City, Taiwan.