1. Division of Gastroenterology, Department of Internal Medicine Show Chwan Memorial Hospital Changhua Taiwan
2. Department of Emergency Medicine Sinying Hospital, Ministry of Health and Welfare Tainan Taiwan
3. Department of Physical Medicine and Rehabilitation Pingtung Veterans General Hospital Pingtung Taiwan
4. Research Assistant Center, Show Chwan Memorial Hospital Changhua Taiwan
5. College of Nursing, Central Taiwan University of Science and Technology Taichung City Taiwan
6. Department of Post‐Baccalaureate Medicine, College of Medicine National Chung Hsing University Taichung Taiwan