1. Health Management Center Kaohsiung Veterans General Hospital Kaohsiung Taiwan
2. Division of Gastroenterology and Hepatology, Department of Internal Medicine Kaohsiung Veterans General Hospital Kaohsiung Taiwan
3. Department of Nursing Meiho Institute of Technology Pingtung Taiwan
4. Institute of BioPharmaceutical Sciences, National Sun Yat‐sen University Kaohsiung Taiwan