| Affiliation: | 1 London Health Sciences Centre, London;2 Queen''s University, Kingston, Ontario;3 Queen Elizabeth II Health Sciences Centre, Halifax, Nova Scotia;4 Quebec Heart Institute, Laval Hospital, Quebec City, Quebec;5 Hamilton Health Sciences Centre, Hamilton;6 University Health Network, Toronto, Ontario;7 Montreal Heart Institute, Montreal, Quebec;8 St Michael''s Hospital, Toronto, Ontario;9 St Paul''s Hospital, Vancouver;10 Vancouver Island Health Authority, Victoria, British Columbia;11 University of Ottawa Heart Institute, Ottawa, Ontario;12 Foothills Hospital, Calgary;13 University of Alberta Hospital, Edmonton, Alberta;14 Scarborough Centenary Hospital, Scarborough, Ontario;15 Centre Hospitalier Notre Dame, Montreal, Quebec;16 Sunnybrook Hospital, Toronto, Ontario;17 St Boniface Hospital, Winnipeg, Manitoba;18 Southlake Regional Hospital, Newmarket;19 The Hospital for Sick Children, Toronto, Ontario;20 BC Children''s Hospital, Vancouver, British Columbia;21 Children''s Hospital of Eastern Ontario, Ottawa, Ontario;22 Health Sciences Centre, St John''s, Newfoundland;23 Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Quebec;24 Brandon, Manitoba (follow-up only centre), Montreal, Quebec;25 Hôpital Sacré-Coeur de Montréal, Montreal, Quebec;26 McGill University Health Centre and Hôpital Sacré-Coeur de Montréal, Montreal, Quebec |
