1. Biobehavioral Pain Innovations Laboratory, Department of Psychiatry & Behavioral Sciences, Boston Children’s Hospital, Boston, MA 02115, USA
2. Pain and Affective Neuroscience Center, Department of Anesthesiology, Critical Care & Pain Medicine, Boston Children’s Hospital, Boston, MA 02115, USA
3. Nuffield Department of Women’s & Reproductive Health, University of Oxford, Oxford OX3 9DU, UK
4. Department of Orthopedic Surgery, Boston Children’s Hospital, Boston, MA 02115, USA
5. Department of Orthopedic Surgery, Harvard Medical School, Boston, MA 02115, USA
6. Departments of Psychiatry and Radiology, Massachusetts General Hospital, Boston, MA 02114, USA
7. Department of Anesthesiology, Harvard Medical School, Boston, MA 02115, USA
8. Department of Psychiatry, Harvard Medical School, Boston, MA 02115, USA