Table 1.

Imaging parameters for the three cohorts 3T HR-MRI

	University of Iowa	Changai Hospital	Ren Ji Hospital
Model	Siemens MAGNETON Skyra	Siemens MAGNETOM Prisma	Siemens MAGNETOM Prisma
Acquired spatial resolution (mm)	0.6 × 0.6 × 0.6	0.5 × 0.5 × 0.5	0.6 × 0.6 × 0.6
Post contrast time (min)	5	2	2
Acquisition time of VWI (min)	3:29	8	9:13
Pulse sequence type	3D SPACE*	3D SPACE	3D SPACE
TR (msec)	900	900	1000
TE (msec)	15	5.6	15
FOV (mm)	200 × 200	256 × 160	220 × 195
Matrix (mm)	320 × 320	331 × 384	384 × 345
Slice thickness, mm	0.63	0.5	0.6
Turbo Factor	52	60	60

*3D SPACE: Sampling Perfection with Application-optimized Contrasts by using different flip angle Evolutions