1. A. A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, Massachusetts
2. Center for Mindfulness and Compassion, Department of Psychiatry, Cambridge Health Alliance, Harvard Medical School, Cambridge, Massachusetts
3. Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
4. University of Massachusetts Medical School, Worcester, Massachusetts, USA