1. Department of Cardiology, AZ Sint-Jan Hospital, Bruges, Belgium (A.D., L.O., M.E.H., B.D.B., J.-B.L.P.D.W., S.K., R.T., M.D.).
2. Department of Cardiology, Medical University of Graz, Austria (D.S.).
3. Department of Cardiology, Jessa Hospitals, Hasselt, Belgium (J.V.).
4. Department of Cardiology, ZNA Middelheim, Antwerp, Belgium (M.W.).
5. Department of Cardiology, Luzerner Kantonsspital, Luzern, Switzerland (B.B.).
6. Department of Cardiology, Hospital Universitari Germans Trias i Pujol, Badalona, Spain (F.B.).
7. Department of Cardiology, Herlev & Gentofte Hospital, Hellerup, Denmark (A.J.).
8. Department of Cardiology, Ziekenhuis Oost-Limburg, Genk, Belgium (M.R.-A.).
9. Department of Cardiology, OLV Hospital, Aalst, Belgium (T.D.P.).