1. Department of Ophthalmology, Far Eastern Memorial Hospital, Ban-Chiao, Taipei, Taiwan; the 2Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan;
2. the Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan; the 3Department of Ophthalmology, Ming-Sheng General Hospital, Taoyuan, Taiwan, and the
3. the Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan; 4Department of Ophthalmology, National Taiwan University College of Medicine, Taipei, Taiwan.