1. From the Hubrecht Laboratory and Interuniversity Cardiology Institute Netherlands (V.P.M.v.E., A.T.B., R.v.d.N., L.J.D.W.), Royal Netherlands Academy of Arts and Sciences, Utrecht, the Netherlands; Max-Planck-Institute (S.K.), Bad Nauheim, Germany; Heart Lung Center Utrecht (P.A.D.), the Netherlands; Department of Cardiology (H.J.C.), University Hospital Maastricht, the Netherlands; Department of Biochemistry (E.d.W., W.S.), Erasmus MC, Rotterdam, the Netherlands; and The Jackson Laboratory (S.L.A.)...