University of Glasgow - Institute of Neuroscience and Psychology, Government of the United Kingdom - Oxford University Hospitals NHS Foundation Trust, University of Glasgow, University of Edinburgh - Centre for Clinical Brain Sciences, University of Glasgow - Robertson Institute of Biostatistics and Clinical Trials Unit, University of Glasgow, University of Edinburgh - Centre for Clinical Brain Sciences, University of Nottingham, University of Newcastle, University of Aberdeen - Medical Sciences and Nutrition, Royal Victoria Infirmary, Imperial College London - Charing Cross Hospital, NHS Foundation Trust - St. Georges University Hospitals, NHS Foundation Trust - Addenbrooke's Hospital, Government of the United Kingdom - University Hospitals of North Midlands, Aberdeen Royal Infirmary, King’s College Hospital NHS Foundation Trust, Countess of Chester NHS Foundation Trust, University of Edinburgh, University of Oxford, University College London, Government of the United Kingdom - Luton and Dunstable University Hospital, Norfolk and Norwich University Hospital, Leeds General Infirmary - Department of Neurology, University of Southampton - Southampton General Hospital, Nottingham University Hospitals NHS Trust, The Queen Elizabeth Hospital, Watford General Hospital, Royal Victoria Hospital, Taunton & Somerset NHS Foundation Trust, Manchester Centre for Clinical Neurosciences and Independent

University of Glasgow - School of Cardiovascular and Metabolic Health, University of Glasgow - Robertson Institute of Biostatistics and Clinical Trials Unit, University of Glasgow - School of Cardiovascular and Metabolic Health, University of Nottingham, Queen Elizabeth University Hospital - Department of Neuroradiology, University of Glasgow - School of Cardiovascular and Metabolic Health, University of East Anglia (UEA) - Department of Clinical Psychology, Queen Elizabeth University Hospital - Department of Neurology, University of Dundee - School of Medicine, University of Dundee - School of Medicine, University of Glasgow - College of Medical, Veterinary & Life Sciences, University of Glasgow - Institute of Neuroscience and Psychology, University of Dundee - Division of Molecular and Clinical Medicine, University of Glasgow - School of Medicine, Dentistry and Nursing, University Hospital Monklands - University Department of Stroke Care, Guy's and St Thomas' NHS Foundation Trust - Department of Stroke, Ageing and Health, University of Glasgow - School of Cardiovascular and Metabolic Health, University of Newcastle - Wolfson Unit of Clinical Pharmacology, Mid and South Essex University Hospitals Group - Department of Stroke Medicine, Leeds General Infirmary - Department of Neurology, University of Leeds, South West Acute Hospital - Department of Medicine, Government of the United Kingdom - Luton and Dunstable University Hospital, University of Aberdeen - Medical Sciences and Nutrition, Leeds Teaching Hospitals NHS Trust, Government of the United Kingdom - Royal United Hospitals Bath NHS Foundation Trust, Nottingham University Hospitals NHS Trust, University College London - UCL Queen Square Institute of Neurology and University of Glasgow - Robertson Institute of Biostatistics and Clinical Trials Unit