1. Center for Psychiatric Neuroscience, Department of Psychiatry Lausanne University Hospital Lausanne Switzerland
2. Cambridge Laboratory for Research on Impulsive/Compulsive spectrum Disorders (CLIC), Department of Psychology University of Cambridge Cambridge UK
3. Université de Bordeaux, INSERM, Neurocentre Magendie Bordeaux France
4. Division of Adolescent and Child Psychiatry, Department of Psychiatry Lausanne University Hospital Lausanne Switzerland