1. Tic and Neurodevelopmental Movements Service (TANDeM), Children's Neurosciences, Evelina London Children's Hospital, Guys and St Thomas’ NHS Foundation Trust London UK
2. Department of Women and Children's Health School of Life Course Sciences (SoLCS), King's College London London UK
3. Leeds and York Partnership NHS Foundation Trust Leeds UK
4. South London and Maudsley NHS Foundation Trust London UK
5. Department of Paediatrics Schulich School of Medicine and Dentistry, University of Western Ontario London Ontario Canada
6. Children's Health Research Institute, Lawson Health Research Institute, University of Western Ontario London Ontario Canada
7. Department of Psychology Ben‐Gurion University of the Negev Beersheba Israel
8. Child Study Center and Department of Psychiatry Yale University School of Medicine New Haven Connecticut USA
9. Essex Child and Adolescent Mental Health Services, North East London NHS Foundation Trust Rainham UK
10. Faculty of Social Welfare and Health Studies University of Haifa Haifa Israel