1 McGill Adult Unit for Congenital Heart Disease Excellence, Montréal, Québec, Canada.
2 Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Québec, Canada.
3 Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Québec, Canada; Division of Cardiology, McGill University Health Centre, McGill University, Canada.
4 McGill Adult Unit for Congenital Heart Disease Excellence, Montréal, Québec, Canada; Division of Cardiology, McGill University Health Centre, McGill University, Canada. Electronic address: ariane.marelli@mcgill.ca.