1. Brigham and Women’s Hospital, Harvard Medical School, Boston (Baslet); Bern University Hospital, Bern, Switzerland (Aybek); Department of Psychiatry, Douglas Mental Health University Institute, McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal (Ducharme); University of Manitoba, Winnipeg (Modirrousta); Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London (Nicholson).