1. Department of Cardiology, Heart Lung Center, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
2. Department of Radiotherapy, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
3. Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
4. Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
5. Netherlands Heart Institute, 3511 EP Utrecht, The Netherlands