1. Department of Neurology; China Medical University Hospital; Taichung Taiwan
2. Graduate Institute of Clinical Medical Science; College of Medicine; China Medical University; Taichung Taiwan
3. Department of Internal Medicine; China Medical University Hospital; Taichung Taiwan
4. Management Office for Health Data; China Medical University Hospital; Taichung Taiwan
5. Institute of Environmental Health; College of Public Health; China Medical University; Taichung Taiwan