From the Section of Cardiology, Department of Lung, Blood, and Heart, University of Pavia, Pavia, Italy (P.J.S., S.G.P., L.C.) Department of Cardiology (P.J.S., C.S., L.C., A.V., M.L.) and Molecular Cardiology Laboratory (P.J.S., L.C.), IRCCS Fondazione Policlinico S. Matteo, Pavia, Italy; Laboratory of Cardiovascular Genetics, IRCCS Istituto Auxologico Italiano, Milan, Italy (P.J.S.); Department of Internal Medicine (P.J.S., P.A.B.), University of Stellenbosch, Stellenbosch, South Africa;... (At 2010-09-28)