1. From the Institut Català Ciències Cardiovasculars, Hospital Sant Pau, Barcelona, Spain (A.B.d.L.); Duke University Medical Center, Durham, NC (G.W.); The Heart Station, Division of Cardiology, Galveston, Tex (Y.B.); Heart Center, Tampere, Finland (K.N.); Hospital Son Dureta, Palma Mallorca, Spain (M.F.); Department of Cardiology, University Hospital Maastricht, Maastricht, Netherlands (A.G.); Department of Cardiology, Hospital Santa Creu i Sant Pau, Barcelona, Spain (J.C.); The Heart Center,...