1. Department of Physiology, Institute of Cardiovascular Research; VU University Medical Center; Amsterdam The Netherlands
2. Department of Nuclear Medicine & PET-Research; Institute of Cardiovascular Research, VU University Medical Center; Amsterdam The Netherlands
3. Department of Cardiology and Department of Physics & Medical Technology; Institute of Cardiovascular Research, VU University Medical Center; Amsterdam The Netherlands
4. Department of Pulmonology; VU University Medical Center; De Boelelaan 1117, 1081 HV Amsterdam The Netherlands