1 Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands. n.d.van.rijsewijk@umcg.nl.
2 Medical Imaging Center, Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
3 Department of Critical Care, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
4 Department of Pediatric Infectious Diseases, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
5 Department of Pediatric Cardiology, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.