Hello, it appears that the file 'ChallengeData_validation/MultiCoil/Cine/ValidationSet/FullSample/P004/cine_sax.mat' is corrupted as it cannot be opened with h5py. The error is "Unable to open file (truncated file: eof = 569617920, sblock->base_addr = 512, stored_eof = 1028801968)". I deleted and downloaded the file again and the same error appeared. I used the synapse api for downloading.