1. Université Montpellier, Inserm, U1198, Ecole Pratique des Hautes Etudes, Montpellier, France
2. Department of Epidemiology and Public Health, University College London, London, England
3. Department of Psychiatry and Autism Resources Centre, University Research and Hospital Center of Montpellier, Inserm, Montpellier, France
4. Inserm, U1153, Epidemiology of Ageing and Neurodegenerative Diseases, Université Paris Descartes, Paris, France
5. Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland