[1] Univ Alberta, Dept Pediat, Edmonton, AB, Canada
[2] Stollery Childrens Hosp, Edmonton, AB, Canada
[3] Athabasca Univ, Athabasca, AB, Canada
[4] Toronto Congenital Cardiac Ctr Adults, Peter Munk Cardiac Ctr, Univ Hlth Network, Toronto, ON, Canada
[5] Univ Toronto, Toronto, ON, Canada
[6] Hosp Sick Children, Toronto, ON, Canada
[7] Univ Toronto, Dept Pediat, Toronto, ON, Canada
[8] Univ Alberta, Women & Childrens Hlth Res Inst, Edmonton, AB, Canada
[9] Univ Alberta, Fac Rehabil Med, Edmonton, AB, Canada
[10] Univ Calgary, Fac Social Work, Calgary, AB, Canada