Study Sites and Participants
BRAIN DEATHS
At cluster level, eligible hospitals were those with an annual mean number of 10 or more brain-dead potential donors over the previous 2 years. We excluded hospitals with any clinical decision-making tools already in place. The concealed randomization of hospitals used variable block sizes and stratification by the previous median annual number of reported brain deaths (eg, >29 vs ≤29). Each cluster was a single hospital. Sites were randomized to the intervention group (provided checklist guidance) or control group (provided usual care) (