1. Digestive Physiology Hopital E Herriot Hospices Civils de Lyon and Lyon I University Lyon France
2. Royal Melbourne Hospital University of Melbourne Parkville Vic. Australia
3. Department of Gastroenterology Asan Medical Center University of Ulsan College of Medicine Seoul Korea
4. Weill Cornell Medicine New York NY USA
5. Clinic for Gastroenterology and Hepatology Bürgerspital Solothurn Solothurn Switzerland
6. University of Berne Berne Switzerland
7. Yong Loo Lin of Medicine National University of Singapore Singapore Singapore
8. The Chinese University of Hong Kong Hong Kong Hong Kong SAR
9. Division of Gastroenterology Center for Esophageal Diseases University of California San Diego La Jolla CA USA
10. Wingate Institute of Neurogastroenterology Queen Mary University of London London UK