1. Center for Pain and the Brain, Boston Children's Hospital, Department of Anesthesia, Critical Care and Pain Medicine Harvard Medical School Boston Massachusetts
2. Division of Neurological Pain Research and Therapy, Department of Neurology University Hospital Schleswig‐Holstein Kiel Germany
3. Cambridge Health Alliance Harvard Medical School Cambridge Massachusetts USA
4. Department of Neurology, Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts USA
5. Department of Radiology and Psychiatry, Massachusetts General Hospital Harvard Medical School Boston Massachusetts USA