1. Department
of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore
2. Division
of Gastroenterology and Hepatology, Department of Medicine, Yong Loo
Lin School of Medicine, National University of Singapore, 1E Kent
Ridge Road, Singapore 119228, Singapore
3. Brain-Gut Research Group, Bubenbergplatz
11, CH-3011 Bern, Switzerland
4. Combat
Care Laboratory, DSO National Laboratories, 20 Science Park Drive, Singapore 118230, Singapore
5. Department
of Medicine, Division of Digestive Diseases and Nutrition, Rush University Medical Center, 1653 West Congress Parkway, Chicago, Illinois 60612, United States