1 Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training, College of Medicine, University of Ibadan, Ibadan 200212, Nigeria; Neurovascular Research Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK. Electronic address: rufusakinyemi@yahoo.com.
2 Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training, College of Medicine, University of Ibadan, Ibadan 200212, Nigeria.
3 Neurology Unit, Department of Medicine, University of Lagos, Lagos, Nigeria.
4 Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training, College of Medicine, University of Ibadan, Ibadan 200212, Nigeria; Neurovascular Research Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK. Electronic address: raj.kalaria@newcastle.ac.uk.