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Trial Profile. *This number only includes patients deemed clinically eligible to undergo MRI screening. Other patients were not systematically tracked. The total does not include patients who refused study participation despite meeting MRI eligibility criteria (n=4). **At one site, the 24h imaging study was performed using MRI per site protocol. †Five subjects died by the 30±7 d assessment.
‡Seven subjects died by the 90±14 d assessment.
