King’s College London - Institute of Psychiatry, Psychology and Neuroscience, University of Liverpool - Institute of Infection and Global Health, University of Liverpool - Institute of Infection and Global Health, University of Liverpool - Institute of Infection and Global Health, Newcastle University, Clinical Neurosciences, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK, University College London - MRC Clinical Trials Unit, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, King’s College London - Institute of Psychiatry, Psychology and Neuroscience, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences and King’s College London

University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, Great Ormond Street - Department of Paediatric Neurology, Guy's and St Thomas' NHS Foundation Trust - Evelina London Children's Hospital, Leeds Teaching Hospitals NHS Trust, University of Liverpool - Institute of Infection and Global Health, Leeds Teaching Hospitals NHS Trust, Government of the United Kingdom - Barts Health NHS Trust, Oxford Children’s Hospital - Paediatric Neurology Department, Leeds Teaching Hospitals NHS Trust, Leeds Community Healthcare Trust - Child and Adolescent Mental Health Services, Leeds Community Healthcare Trust - Child and Adolescent Mental Health Services, Newcastle University, Leeds Teaching Hospitals NHS Trust, University of Southampton - Southampton Children’s Hospital, University of Southampton - Southampton Children’s Hospital, Oxford Children’s Hospital - Paediatric Neurology Department, Nottingham Children's Hospital, Nottingham Children's Hospital, Royal Hospital for Children, Royal Hospital for Children, Birmingham Children’s Hospital - Department of Neurology, Birmingham Children's Hospital - Department of Neurology, University of Newcastle - Newcastle University Translational and Clinical Research Institute, Northumbria Healthcare NHS Foundation Trust, University Hospital London - Paediatrics Department, Government of the United Kingdom - Chelsea and Westminster Hospital NHS Foundation Trust, Imperial College London, Royal Manchester Children’s Hospital - Department of Neurology, Royal Manchester Children’s Hospital - Department of Neurology, Royal Manchester Children’s Hospital - Department of Neurology, Alder Hey Children's NHS Foundation Trust, King’s College London - Institute of Psychiatry, Psychology & Neuroscience (IoPPN), Great Ormond Street Hospital for Children, Great Ormond Street Hospital - Department of Paediatric Infectious Diseases, University of Southampton - University Hospital Southampton NHS Foundation Trust, Alder Hey Children's NHS Foundation Trust, Alder Hey Children's NHS Foundation Trust, University College London - MRC Clinical Trials Unit, Clinical Neurosciences, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, UK, Newcastle University, Guy's and St Thomas' NHS Foundation Trust - Children's Neuroscience Centre, Great Ormond Street - Department of Paediatric Neurology, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences and Independent

Department of Neurology - Columbia University Irving Medical Center, University of Liverpool - Institute of Infection and Global Health, University of Liverpool - Institute of Infection and Global Health, Columbia University - New York Presbyterian, Columbia University - Division of Hospital and Critical Care Neurology, Columbia University - New York Presbyterian, Columbia University - New York Presbyterian, Columbia University - New York Presbyterian, Columbia University - Division of Hospital and Critical Care Neurology, Cornell University - Department of Neurology, Moscow Research and Clinical Center for Neuropsychiatry, Johns Hopkins University - School of Medicine, Columbia University - New York Presbyterian, University of Valladolid - Department of Neurology, Rajendra Institute of Medical Sciences, Medical University of Innsbruck, Harvard University - Massachusetts General Hospital, University of Pittsburgh - Departments of Critical Care Medicine, Neurology, and Neurosurgery, Technical University of Munich - Center for Global Health, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences and Columbia University Medical Center, Department of Neurology

University of Liverpool - Institute of Infection and Global Health, Liverpool School of Tropical Medicine, University of the Witwatersrand - Perinatal HIV Research Unit, Liverpool School of Tropical Medicine, Chris Hani Baragwanath Academic Hospital - Perinatal HIV Research Unit, London School of Hygiene & Tropical Medicine, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, University of the Witwatersrand - Perinatal HIV Research Unit and Liverpool School of Tropical Medicine - Department of International Public Health