1. Biobehavioral Pediatric Pain Lab Department of Psychiatry and Behavioral Sciences Boston Children's Hospital Boston Massachusetts USA
2. Pain and Affective Neuroscience Center Department of Anesthesiology, Critical Care, & Pain Medicine Boston Children's Hospital Boston Massachusetts USA
3. Nuffield Department of Women's & Reproductive Health Oxford University Oxford UK
4. Centre for Pain Research University of Bath Bath UK
5. Cochrane Pain, Palliative, and Supportive Care Review Groups Oxford University Hospitals Oxford UK
6. Department of Psychology Simmons University Boston Massachusetts USA
7. Department of Psychology Royal Holloway University of London Egham UK
8. Department of Psychiatry Harvard Medical School Boston Massachusetts USA