[1] Med Univ Innsbruck, Div Pediat Cardiol, Dept Pediat 3, Anichstr 35, A-6020 Innsbruck, Austria
[2] Ruhr Univ Bochum, Heart & Diabet Ctr North Rhine Westphalia, Ctr Pediat Cardiol & Congenital Heart Dis, Georgstr, Bad Oeynhausen, Germany
[3] Med Univ Innsbruck, Div Inherited Metab Disorders, Dept Pediat 1, Innsbruck, Austria
[4] Biocrates Life Sci AG, Innsbruck, Austria
[5] Med Univ Innsbruck, Div Gastroenterol & Hepatol, Dept Pediat 1, Innsbruck, Austria
[6] Med Univ Innsbruck, Inst Human Genet, Innsbruck, Austria