1. UT Southwestern Medical Center, Dallas, Texas
2. University of Montreal, Montreal, Quebec, Canada
3. UT M.D. Anderson Cancer Center, Houston, Texas
4. University of Graz, Graz, Austria
5. Keio University School of Medicine, Tokyo, Japan
6. University of Michigan, Ann Arbor, Michigan
7. Cornell University, New York, New York
8. Medical University of Vienna, Vienna, Austria
9. Vita-Salute University, Milan, Italy
10. Universitätsklinikum Mannheim, Mannheim, Germany
11. McGill University, Montreal, Quebec, Canada