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


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.