1 Department of Cardiology, Heart Lung Centrum, Leiden University Medical Center, Albinusdreef 2, RC Leiden, The Netherlands.
2 University of Medicine and Pharmacy "Carol Davila"-Euroecolab, Institute of Cardiovascular Diseases "Prof. Dr C. C. Iliescu", Bucharest, Romania.
3 Multidisciplinary Cardiovascular Research Centre and Division of Biomedical Imaging, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK.
4 Department of Cardiology, Friedrich-Alexander-Universität, Erlangen, Germany.
5 Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland.