1. Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Stanford, CA
2. Stanford Cancer Institute and Lucile Packard Children's Hospital, Stanford University School of Medicine, Stanford, CA
3. Department of Pediatrics, Stanford University School of Medicine, Stanford, CA
4. Behavioural Sciences Unit, School of Women's and Children's Health, University of New South Wales Medicine, Sydney, Australia
5. Department of Psychology, Concordia University, Montreal, Canada
6. Massey Cancer Center, Medical College of Virginia, Richmond, VA
7. Health Psychology Section, Department of Psychology, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom