1. Mid Beds Clinic East London NHS Foundation Trust Bedford UK
2. Institute of Neurological Sciences of Bologna Child Neurology Unit Bologna Italy
3. Semel Institute for Neuroscience and Human Behavior University of California Los Angeles USA
4. Depts. Public Health and Child Neurology University of Turku Turku Finland
5. Department of Research and Development, Epilepsy Center Kempenhaeghe, Heeze; MHENS School of Mental Health & Neuroscience Maastricht University Maastricht The Netherlands
6. Riley Hospital Child and Adolescent Psychiatry Clinics Indiana University School of Medicine Indianapolis USA