Fig. 3From: A medical device-grade T1 and ECV phantom for global T1 mapping quality assurance—the T1 Mapping and ECV Standardization in cardiovascular magnetic resonance (T1MES) programPrototype models and T1MES project timeline. CE = Conformité Européene; FDA = Food and Drug Administration; GE = General Electric; NIST = US National Institute of Standards and Technology; PTB = German Physikalisch-Technische Bundesanstalt; QA = quality assurance; RH = Resonance HealthBack to article page