1. Department of Internal Medicine, Gulu Medical School, Gulu University , Gulu , Uganda
2. St Mary’s Hospital, Lacor , Gulu , Uganda
3. Translational Health Sciences, Faculty of Medicine, University of Bristol , Bristol BS10 5NB , UK
4. Emergency Medicine Department, Royal United Hospital , Bath BA1 3NG , UK
5. Department of Neurology, Gloucestershire Hospitals NHS Trust , Cheltenham GL53 7AN , UK