Affiliation: | 1. Bicuspid Aortic Valve Program, Bluhm Cardiovascular Institute, Northwestern Memorial Hospital, Northwestern University, Chicago, Ill;2. Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, Alberta, Canada;3. Division of Cardiac Surgery, Li Ka Shing Knowledge Institute of St Michael''s Hospital, Toronto, Ontario, Canada;4. Department of Surgery, University of Toronto, Ontario, Canada |