1. Department of Health Sciences, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
2. Asc Academics, Groningen, The Netherlands
3. Department of Nuclear Medicine, Catherina Hospital Eindhoven, Eindhoven, The Netherlands
4. Department of Medical Imaging, Radboud University Medical Center, Nijmegen, The Netherlands
5. Department of Economics, Econometrics & Finance, Faculty of Economics & Business, University of Groningen, Groningen, The Netherlands