1. From the Department of Ophthalmology, Taipei Hospital, Taipei, Taiwan; the2Institute of Preventive Medicine, the3Department of Ophthalmology, National Taiwan University, Taipei, Taiwan; and the
2. Institute of Preventive Medicine, the
3. Department of Ophthalmology, National Taiwan University, Taipei, Taiwan; and the
4. Universal Eye Center, Taipei, Taiwan.
5. Institute of Preventive Medicine, the5Centre of Biostatistics Consultation, and the6Division of Biostatistics, Graduate Institute of Epidemiology, College of Public Health, and the