D Pons1, R W M M Jansen2, M E W Hemels3,4. 1. Department of Geriatric Medicine, Northwest Clinics, Alkmaar, The Netherlands. d.pons@nwz.nl. 2. Department of Geriatric Medicine, Northwest Clinics, Alkmaar, The Netherlands. 3. Department of Cardiology, Rijnstate Hospital, Arnhem, The Netherlands. 4. Department of Cardiology, Radboud University Medical Centre, Nijmegen, The Netherlands.