[1] Great Ormond St Hosp Children NHS Fdn Trust, Cardioresp Unit, London WC1N 3JH, England
[2] Seattle Childrens Hosp, Div Cardiol, Seattle, WA USA
[3] Univ Washington, Sch Med, Dept Pediat, Seattle, WA 98195 USA
[4] Ghent Univ Hosp, Dept Cardiol, Ghent, Belgium
[5] Ghent Univ Hosp, Ctr Med Genet, Ghent, Belgium
[6] Oregon Hlth & Sci Univ, Dept Pediat, Doernbecher Childrens Hosp, 3181 Sw Sam Jackson Pk Rd, Portland, OR 97201 USA
[7] Stanford Univ, Dept Pediat, Div Pediat Cardiol, Sch Med, Stanford, CA 94305 USA
[8] Radboud Univ Nijmegen, Dept Cardiol, Med Ctr, Nijmegen, Netherlands
[9] Barts Hlth NHS Trust, Dept Adult Congenital Cardiol, Barts Heart Ctr, London, England
[10] Aarhus Univ Hosp, Dept Endocrinol & Internal Med, Aarhus, Denmark
[11] Aarhus Univ Hosp, Med Res Labs, Aarhus, Denmark
[12] Aarhus Univ Hosp, Dept Mol Med, Aarhus, Denmark
[13] Florida Int Univ, Herbert Wertheim Coll Med, Nicklaus Childrens Hosp, Pediat Cardiol, Miami, FL 33199 USA
[14] Erasmus MC, Dept Cardiol, Rotterdam, Netherlands