1. Department of Chemical Engineering and Biotechnology, Graduate Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, R.O.C.
2. Department of Gastroenterology, Mater Misericordiae University Hospital, Dublin D07 R2WY, Ireland
3. College of Medicine, Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan 33302, Taiwan, R.O.C.