1. AW Morrow Gastroenterology and Liver Centre Royal Prince Alfred Hospital Sydney NSW
2. Praxis Balsiger Seibold und Partner Bern Switzerland
3. Université de Fribourg Fribourg Switzerland
4. University of New South Wales Sydney NSW
5. Royal Prince Alfred Hospital Sydney NSW
6. The BMI Clinic Sydney NSW
7. Mayo Clinic Jacksonville FL United States
8. Luzerner Kantonsspital (LUKS) Lucerne Switzerland