1. Department of Radiology The Royal Marsden NHS Foundation Trust, London, England United Kingdom
2. Department of Radiology Brenner Children's Wake Forest Baptist Health Winston‐Salem North Carolina USA
3. Department of Radiology University of Iowa Carver College of Medicine Iowa City Iowa USA
4. Department of Radiology Emory University Children's Healthcare of Atlanta Atlanta Georgia USA
5. Department of Radiology Medical College of Wisconsin Milwaukee Wisconsin USA
6. Department of Radiology University of Florida College of Medicine Gainesville Florida USA
7. Department of Radiology Children's Hospital of Philadelphia Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
8. Department of Radiology Cincinnati Children's Hospital Cincinnati Ohio USA