[1] Brigham & Womens Hosp, Div Cardiovasc, 75 Francis St, Boston, MA 02115 USA
[2] Univ Michigan, Dept Internal Med, Ann Arbor, MI 48109 USA
[3] Stanford Ctr Inherited Heart Dis, Stanford, CA USA
[4] Erasmus MC, Thoraxctr, Dept Cardiol, Rotterdam, Netherlands
[5] Univ Sao Paulo, Med Sch, Heart Inst InCor, Sao Paulo, Brazil
[6] Yale Univ, New Haven, CT USA
[7] Imperial Coll London, Natl Heart & Lung Inst, London, England
[8] Imperial Coll London, NIHR Royal Brompton Cardiovasc Biomed Res Unit, London, England
[9] Boston Childrens Hosp, Dept Cardiol, Boston, MA USA
[10] Howard Hughes Med Inst, Chevy Chase, MD USA
[11] Careggi Univ Hosp, Cardiomyopathy Unit, Florence, Italy
[12] Careggi Univ Hosp, Genet Unit, Florence, Italy