1. Department of Cardiology; Thoraxcentrum Twente, Medisch Spectrum Twente; Enschede the Netherlands
2. Department of Cardiology; Ziekenhuisgroep Twente, Almelo and Hengelo; the Netherlands
3. Health Technology and Services Research; MIRA-Institute for Biomedical Technology and Technical Medicine, University of Twente; Enschede the Netherlands