1. Baylor Heart and Vascular Institute; Dallas TX USA
2. Montreal Heart Institute; Montreal Quebec Canada
3. London Health Sciences Centre; London Ontario Canada
4. Intermountain Healthcare; Ogden UT USA
5. University of Sherbrooke; Sherbrooke Quebec Canada
6. University of Alberta; Edmonton Alberta Canada
7. Sacre Coeur Hospital; Montreal Quebec Canada
8. HealthEast Heart Care; Saint Paul MN USA
9. University of British Columbia; Vancouver British Columbia Canada
10. Wellmont CVA Heart Institute; Kingsport TN USA
11. Medtronic, Inc.; Minneapolis MN USA
12. Virginia Commonwealth University Medical Center; Richmond VA USA