1. Paediatric Neurology, Great North Children's Hospital, Newcastle upon Tyne, UK
2. Neuroradiology, Great North Children's Hospital, Newcastle upon Tyne, UK
3. Paediatrics, Great North Children's Hospital, Newcastle upon Tyne, UK
4. Paediatric Intensive Care Unit, Great North Children's Hospital, Newcastle upon Tyne, UK
5. Metabolic Biochemistry, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
6. Northern Genetics Service, Centre for Life, Newcastle upon Tyne, UK
7. Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK