1. Pain/Analgesia Imaging Neuroscience (P.A.I.N.) Group, Department of Anesthesia, Boston Children’s Hospital, Center for Pain and the Brain, Harvard Medical School, Waltham, MA, USA
2. Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, USA
3. Departments of Psychiatry and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
4. Department of Anesthesia, Beth Israel Deaconess Hospital, Harvard Medical School, Boston, MA, USA