Chieh-Wen Laia, Yao-Jen Changa, Chao-Chuan Wua, Sen-Chang Yua, Jiann-Hwa Chenb
a Division of General Surgery, Department of Surgery, Buddhist Tzu Chi General Hospital, Taipei Branch, New Taipei City, Taiwan
b Division of Gastroenterology, Department of Internal Medicine, Buddhist Tzu Chi General Hospital, Taipei Branch, New Taipei City, Taiwan