1. Toronto Congenital Cardiac Centre for Adults, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Canada
2. Toronto Congenital Cardiac Centre for Adults, Peter Munk Cardiac Centre, University Health Network, University of Toronto, Canada; Division of Cardiology, Mount Sinai Hospital, University of Toronto, Canada
3. Division of Palliative Care, University of Toronto, Mount Sinai Hospital, Canada