1. From the Department of Cardiology, Az. Ospedale S. Giovanni Calibita Fatebenefratelli, Rome, Italy (S.B., P.R.); Department of Cardiology, RWTH Aachen University, Aachen, Germany (P.S.); Department of Cardiology, Isala Klinieken, Zwolle, the Netherlands (A.E., P.G.); Department of Cardiology, Uppsala University, Uppsala, Sweden (C.B.-L., D.M.); Department of Research and Technology, Medtronic, Bakken Research Center, Maastricht, the Netherlands (L.K., G.W.); and Department of Cardiology and...