1. Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei 11031, Taiwan, R.O.C.
2. Department of Pathology, Sijhih Cathay General Hospital, New Taipei 22174, Taiwan, R.O.C.
3. School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei 24205, Taiwan, R.O.C.
4. Neuroscience Research Center, Taipei Medical University, Taipei 11031, Taiwan, R.O.C.
5. Department of Medical Research, Cathay General Hospital, Taipei 10630, Taiwan, R.O.C.