1. Institute of Medical Psychology and Medical Sociology, University Medical Center Göttingen, Waldweg 37A, 37073 Göttingen, Germany
2. cBRAIN/Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, LMU University Hospital, Ludwig-Maximilian University, Nussbaumstrasse 5, 80336 Munich, Germany
3. Research Centre for Habilitation and Rehabilitation Models and Services (CHARM), Department of Health and Society, University of Oslo, 0316 Oslo, Norway
4. Department of Physical Medicine and Rehabilitation, Oslo University Hospital, 0424 Oslo, Norway
5. Department of Pediatric Neurology and Developmental Medicine, LMU Center for Development and Children with Medical Complexity, Dr. von Hauner Children’s Hospital, LMU University Hospital, Haydnstr. 5, 80336 Munich, Germany
6. Specialist Center for Paediatric Neurology, Neurorehabilitation and Epileptology, Schoen Klinik, Krankenhausstraße 20, 83569 Vogtareuth, Germany
7. Department of Paediatric Neurology, Hospital of Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
8. Interdisciplinary Pediatric Center for Children with Developmental Disabilities and Severe Chronic Disorders, Department of Pediatrics and Adolescent Medicine, University Medical Center, Robert-Koch-Str. 40, 37075 Göttingen, Germany
9. Department of Pediatric Intensive Care Medicine and Neonatology, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
10. Neuropediatrics, St. Mauritius Therapeutic Clinic, Strümper Straße 111, 40670 Meerbusch, Germany
11. Institut für Psychologie, Universität Innsbruck, Innrain 52 f, 6020 Innsbruck, Austria
12. Department of Health and Prevention, University of Greifswald, Robert-Blum-Str. 13, 17487 Greifswald, Germany
13. Departamento de Ciencias de la Salud, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain
14. Instituto de Investigación Sanitaria de Navarra (IdiSNA), 31008 Pamplona, Spain