The Royal Marsden NHS Foundation Trust, London, United Kingdom
Guy's & St. Thomas' NHS Foundation Trust, London, United Kingdom
Imperial College Healthcare NHS Trust, London, United Kingdom
Royal Free Hospital, London, United Kingdom
University College London, London, United Kingdom
Stanford University - (Stanford Cancer Institute), Stanford, California, United States
University of Miami School of Medicine, Miami, Florida, United States
Memorial Sloan Kettering Cancer Center, New York, New York, United States
Addenbrookes Hospital, Cambridge, United Kingdom
Nottingham Children's Hospital, Nottingham, United Kingdom
Bristol Royal Hospital for Children, Bristol, United Kingdom
33 Queen Square, Institute of Neurology, UCL, London, United Kingdom
Barts Heart Centre, London, United Kingdom
University College London Hospital, London, United Kingdom