About the Authors

Kathleen Hempenstall
Royal Hampshire County Hospital, Winchester, United Kingdom

Turo J Nurmikko
Department of Neurological Science, School of Medicine, University of Liverpool, United Kingdom

Robert W Johnson
Bristol Royal Infirmary and University of Bristol, United Kingdom

Roger P A'Hern
Royal Marsden NHS Trust, London, United Kingdom

Andrew S.C Rice
Department of Anaesthetics, Intensive Care and Pain Medicine, Imperial College London, United Kingdom

Corresponding Author

a.rice@imperial.ac.uk

Author Contributions

KH and ASCR designed the study. KH, TJN, RWJ, RPA, and ASCR analyzed the data. KH, TJN, RWJ, RPA, and ASCR contributed to writing the paper.