1Centre for Clinical Brain Sciences, University of Edinburgh and NHS Lothian, Edinburgh EH16 4SB, UK
2Emergency Medicine Department, Royal Infirmary of Edinburgh, Edinburgh EH16 4SB, UK
3Neurosurgery, Santokba Durlabhji Memorial Hospital cum Medical Research Institute, Jaipur, India
4Institute of Health and Wellbeing, University of Glasgow, Glasgow G12 8RZ, UK
Correspondence to: P M Brennan [email protected]
Contributors: PMB had the idea for the article and prepared the first draft. All authors developed, drafted, and revised the article and approved the final version. The corresponding author attests that all listed authors meet authorship criteria and that no others meeting the criteria have been omitted. The authors acknowledge the feedback of Dr Amit Chakrabarty, Jaipur, in reviewing the paper.
PMB is the guarantor for the article. The guarantor accepts full responsibility for the work and controlled the decision to publish.
Competing interests: The BMJ has judged that there are no disqualifying financial ties to commercial companies. The authors declare the following other interests: none. Further details of The BMJ policy on financial interests is here: https://www.bmj.com/sites/default/files/attachments/resources/2016/03/16-current-bmj-education-coi-form.pdf.
