1. Department of Electrical Engineering, I-Shou University, Kaohsiung 84001, Taiwan
2. Department of Chemical Engineering, I-Shou University, Kaohsiung 84001, Taiwan
3. Division of Gastroenterology and Hepatology, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan
4. School of Medicine for International Students, College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan