University of Calgary/Foothill Hospital, Calgary, Alberta, Canada
University Ziekenhuis, Leuven, Belgium
St. Paul's Hospital, Vancouver, British Columbia, Canada
University of Ottawa Heart Institute, Ottawa, Ontario, Canada
University of Ottawa Heart Institute, Ottawa, Ontario, Canada
University of Ottawa Heart Institute, Ottawa, Ontario, Canada
Kingston General Hospital, Kingston, Ontario, Canada
Royal Victoria Hospital, Montreal, Quebec, Canada
University Hospital, London, Ontario, Canada
University of Ottawa Heart Institute, Ottawa, Ontario, Canada
Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, Ontario, Canada