1. Department of Pediatrics, Medizinische FakultätTechnische Universität Dresden Dresden Germany
2. Department of Neuropediatrics and NeuroCure Clinical Research CenterCharité‐Universitätsmedizin Berlin Berlin Germany
3. Pediatric Orthopaedics; Department of Trauma, Orthopaedic and Plastic SurgeryUniversity Medical Center Göttingen Göttingen Germany
4. Department of Ophthalmology, Section for Strabismus, Neuroophthalmology and OculoplasticsUniversity Medical Center Göttingen Göttingen Germany
5. Interdisciplinary Pediatric Center for Children with Developmental Disabilities and Severe Chronic DisordersUniversity Medical Center Göttingen Göttingen Germany