1. School of Medical Sociology and Social Work, Chung-Shan Medical University, Taiwan, Republic of China.
2. Computer Center, Chung-Shan Medical University, Taiwan, Republic of China.
3. School of Medicine, Chung-Shan Medical University, Taiwan, Republic of China.
4. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chung-Shan Medical University Hospital, Taiwan, Republic of China.
5. Institute of Medicine, Chung-Shan Medical University, Taiwan, Republic of China.
6. School of Medical Informatics, Chung-Shan Medical University, Taiwan, Republic of China.