1. Virginia Mason Medical Center Seattle
2. Asian Institute of Gastroenterology Hyderabad India
3. Medical University of South Carolina Charleston
4. Evangelical Hospital Dusseldorf Dusseldorf Germany
5. Erasmus MC University Medical Center Rotterdam The Netherlands
6. Temple University Health System Philadelphia
7. Southern Arizona VA Health Care System Tucson
8. Penn State Milton S. Hershey Medical Center Hershey
9. University of Minnesota Minneapolis
10. Methodist Dallas Medical Center Dallas USA