The inclusion and exclusion criteria for the hospitals
| Inclusion criteria | Exclusion criteria |
| 1. Tertiary-grade or secondary-grade hospitals | 1. Primary-grade (ie, community) hospitals |
| 2. Consisting of emergency department and neurological wards for patients who had a stroke | 2. <20 patients who had an acute ischaemic stroke admitted per month |
| 3. Consisting of 1.5T or 3T MRI machine with the functionalities for completing DWI and MRA scan | 3. Specialised hospitals (cancer hospitals, maternity hospitals, children’s hospitals, etc) |
DWI, diffusion weighted imaging.