1. From the Department of Cardiology, St. Antonius Hospital, Nieuwegein (D.M.F.C., G.J.A.V., T.O.B., P.W.A.J., J.C.K., J.M.B.), the Department of Cardiology, Isala Hospital, Zwolle (R.S.H., A.W.J.H.), the Department of Cardiology, University Medical Center Maastricht, Maastricht (A.W.J.H.), the Department of Cardiology, Zuyderland Medical Center, Heerlen (A.W.J.H.), the Department of Cardiology, University Medical Center Groningen (P.H., J.M.B.), the Department of Pharmacy, University of Groningen (M.J.P.),...