Supplemental material, sj-pdf-1-eso-10.1177_2396987320945834 for Understanding the seriousness of a stroke is essential for appropriate help-seeking and early arrival at a stroke centre: A cross-sectional study of stroke patients and their bystanders by Ane Bull Iversen, Rolf Ankerlund Blauenfeldt, Søren Paaske Johnsen, Birgitte F Sandal, Bo Christensen, Grethe Andersen and Morten Bondo Christensen in European Stroke Journal