1. Department of Medical Imaging and Radiological Science, Central Taiwan University of Science and Technology, Takun, Taichung 406, Taiwan, ROC
2. Department of Clinical Pharmacy, Taichung Armed, Forces General Hospital, Taichung 406, Taiwan, ROC
3. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taichung Armed Forces, General Hospital, Taichung 411, Taiwan, ROC
4. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan, ROC
5. Department of Radiology, Lukang Christian Hospital, Lukang, Changhua 505, Taiwan, ROC