1. Graduate Institute of Microbiology, College of Medicine; National Taiwan University; 7F, No. 1, Sec. 1, Jen-Ai Rd. Taipei 100 Taiwan
2. Department of Neurology; National Taiwan University Hospital; Taipei Taiwan
3. Graduate Institute of Brain and Mind Sciences, College of Medicine; National Taiwan University; Taipei Taiwan
4. Department of Ophthalmology; Mackay Memorial Hospital; Taipei Taiwan