[1] Univ Hosp Muenster, Dept Cardiol Adult Congenital & Valvular Heart Di, Albert Schweitzer Campus 1,Bldg A1, D-48149 Munster, Germany
[2] Ghent Univ Hosp, Dept Cardiol, C Heymanslaan 10, B-9000 Ghent, Belgium
[3] Imperial Coll London, Royal Brompton & Harefield NHS Fdn Trust, NHLI, London, England
[4] UZ Leuven, Congenital & Struct Cardiol, Leuven, Belgium
[5] Katholieke Univ Leuven, Dept Cardiovasc Sci, Leuven, Belgium
[6] IRCCS Policlin San Donato, ACHD Unit, Paediat & Adult Congenital Heart Ctr, Milan, Italy
[7] Univ Hosp, Dept Cardiol Adult Congenital & Valvular Heart Di, Munster, Germany
[8] Hop Xavier Bichat, Cardiol, Paris, France
[9] Univ Amsterdam, Amsterdam UMC, Cardiothorac Surg, Amsterdam, Netherlands
[10] Med Univ Vienna, Cardiol, Vienna, Austria
[11] Univ Med Ctr Utrecht, Cardiol, Utrecht, Netherlands
[12] Katholieke Univ Leuven, Dept Publ Hlth & Primary Care, Leuven, Belgium
[13] Univ Gothenburg, Inst Hlth & Care Sci, Gothenburg, Sweden
[14] Univ Cape Town, Dept Paediat & Child Hlth, Cape Town, South Africa
[15] Amsterdam Univ Med Ctr, Cardiol, Amsterdam, Netherlands
[16] Univ Hlth Network, Med, Div Cardiol, Peter Munk Cardiac Ctr, Toronto, ON, Canada
[17] Univ Toronto, Toronto, ON, Canada
[18] Erasmus MC, Cardiol, Rotterdam, Netherlands
[19] Univ Bern, Univ Hosp Inselspital, Ctr Congenital Heart Dis, Dept Cardiol, Bern, Switzerland
[20] Rigshosp, Cardiol, Copenhagen, Denmark
[21] Leiden Univ, Med Ctr, Leiden, Netherlands