Vafa Alakbarzade

ACP and VA are joint first authors. Contributors ACP and DW conceived the study. VA, TM, GC and SS contributed to literature review and data acquisition. VA drafted the initial and ACP drafted the final manuscript. All remaining authors critically revised the manuscript. All authors gave final approval for publication. Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors. Competing interests None declared.

http://orcid.org/0000-0002-1661-4280Vafa Alakbarzade1, Chinedu Maduakor1, Usman Khan1, Nader Khandanpour2, Elizabeth Rhodes3, http://orcid.org/0000-0003-4392-082XAnthony C Pereira1 1 Department of Neurology, St George's University Hospitals NHS Foundation Trust, London, UK 2 Department of Neuroradiology, St George's University Hospitals NHS Foundation Trust, London, UK 3 Department of Haematology, St George's University Hospitals NHS Foundation Trust, London, UK Correspondence to Dr Vafa...

George Thomas1, http://orcid.org/0000-0002-1661-4280Vafa Alakbarzade2, Yezen Sammaraiee2, Ioana Cociasu2, Catherine Dalton2, http://orcid.org/0000-0003-4392-082XAnthony C Pereira2 1 Department of Older Persons’ Medicine, James Cook University Hospital, Middlesbrough, UK 2 Department of Neurology, St George's University Hospitals NHS Foundation Trust, London, UK Correspondence to Dr Vafa Alakbarzade, Department of Neurology, St George's University Hospitals NHS Foundation Trust, London SW17...