1. Graduate Institute of Biomedical Sciences, China Medical University, Taichung 404, Taiwan
2. Management Office for Health Data, China Medical University Hospital, Taichung 404, Taiwan
3. Department of Neurosurgery, China Medical University Hospital, Taichung 404, Taiwan
4. Graduate Institute of Integrated Medicine, China Medical University, Taichung 404, Taiwan
5. Graduate Institute of Acupuncture Science, China Medical University, Taichung 404, Taiwan
6. Neuroscience and Brain Disease Center, China Medical University, Taichung 404, Taiwan
7. School of Medicine, China Medical University, Taichung 404, Taiwan
8. Division of Gastroenterology and Hepatology, Department of Internal Medicine, China Medical University Hospital, Taichung 404, Taiwan