1. Wellcome Trust Centre for Mitochondrial Research; Institute for Ageing and Health; The Medical School; Newcastle University; Newcastle upon Tyne UK
2. Newcastle University Centre for Brain Ageing and Vitality; Institute for Ageing and Health; The Medical School; Newcastle University; Newcastle upon Tyne UK
3. Department of Neurology; Newcastle upon Tyne Hospitals NHS Foundation Trust Royal Victoria Infirmary; Newcastle upon Tyne UK