1 Department of Cardiology, Academic Medical Centre, Amsterdam, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands.
2 Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands.
3 Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands.
4 Department of Cardiology, Academic Medical Centre, Amsterdam, The Netherlands.
5 Department of Cardiology, Academic Medical Centre, Amsterdam, The Netherlands; Interuniversity Cardiology Institute of the Netherlands, Utrecht, The Netherlands. Electronic address: [email protected].