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2D GRE sequence parameters used for MRE acquisition for both platforms.
| System # | 1 | 2 |
|---|---|---|
| TR (ms) | 50 | 50 |
| TE (ms) | 20 | 25 |
| Matrix | 256×80 | 256×90 |
| Number of slices | 4 | 4 |
| Slice thickness (mm) | 10 | 7 |
| MEG frequency (Hz) | 60 | 60 |
| Acceleration factor | ASSET 2 | GRAPPA 3 |
System #1: 3.0T GE Discovery MR750, system #2: 1.5T Siemens MAGNETOM Aera
MEG = motion-encoding gradient
ASSET = array spatial sensitivity encoding technique
GRAPPA = generalized autocalibrating partially parallel acquisition
