1 Clinic of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany. mueller-vahl.kirsten@mh-hannover.de.
2 Clinic of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany.
3 Department of Bioethics, Department of Experimental and Clinical Pharmacology, Medical University of Warsaw, Warsaw, Poland.
4 Department of Neurology, National Reference Center for Tourette Syndrome, Pitié-Salpêtrière Hospital, Paris, France.
5 Department of Pediatrics and Adolescents Medicine, Copenhagen University Hospital - Herlev and Gentofte, Herlev, Denmark.
6 Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
7 Department of Childrens Neurosciences Evelina London Childrens Hospital, London, UK.
8 Kings College London, London, UK.
9 Pediatric Movement Disorders Clinic, Section of Pediatric Neurology and Developmental Neuroscience, Texas Children's Hospital and Baylor College of Medicine, Houston, USA.
10 Department of Psychiatry, Hospital for Sick Children, University of Toronto, Toronto, Canada.
11 Department of Psychiatry, Toronto Western Hospital, University of Toronto, Toronto, Canada.
12 Department of Neurology, 5th Regional Hospital, Sosnowiec, Poland.
13 Department of Neurology, Hôpital Fondation Rothschild, Paris, France.
14 Department of Neurology, Division of Child and Adolescent Neurology, Mayo Clinic, Rochester, MN, USA.
15 Department of Neuropsychiatry, BSMHFT and University of Birmingham, Birmingham, UK.
16 Department of Child and Adolescent Neuropsychiatry, School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy.
17 Department of Neurodevelopmental Medicine, Kennedy Krieger Institute, Baltimore, MD, USA.
18 The Tic Service, Great Ormond Street Hospital, Great Ormond Street, London, UK.
19 Department of Medicine and Innovation Technology, University of Insubria, Varese, Italy.
20 Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Aachen, Germany.
21 Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany.
22 Division of Neurology, Cincinnati Children's Hospital Medical Center and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, USA.