1. University of CalgaryCalgary, Alberta, Canada
2. Foothills Medical CentreCalgary, Alberta, Canada
3. University of British ColumbiaVancouver, British Columbia, Canada
4. Université LavalQuébec, Québec, Canada
5. McGill University Health CentreMontreal, Quebec, Canada
6. University of SaskatchewanSaskatoon, Saskatchewan, Canada
7. University of Kansas Medical CenterKansas City, Kansas
8. University of PennsylvaniaPhiladelphia, Pennsylvania