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Table 1: MRI acquisition parameters for the 3 sequences acquired at 7T
3D-MP2RAGE 2D-T2*GRE 3D-Segmented T2*EPI
Orientation Axial Axial Axial
Voxel dimensions (μm) 500 × 500 215 × 215 500 × 500
Slice thickness (μm) 500 1000 500
FOV (mm) 224 (AP) × 168 (RL) × 112 (SI) 220 (AP) × 165 (RL) × 25 (SI) 220 (AP) × 180 (RL) × 88 (SI)
TI (ms) 800/2700 NA NA
TR (ms) 6000 1300 52
TE (ms) 5 32 23
Flip angle 4°/5° 50° 10°
EPI factor NA NA 15
Scan time (min:sec) 10:32 8:36 3:40
No. of repetitions 4 1 1
Note:—AP indicates anterior-posterior axis; RL, right-left axis; SI, superior-inferior axis; NA, not applicable.

	3D-MP2RAGE	2D-T2*GRE	3D-Segmented T2*EPI
Orientation	Axial	Axial	Axial
Voxel dimensions (μm)	500 × 500	215 × 215	500 × 500
Slice thickness (μm)	500	1000	500
FOV (mm)	224 (AP) × 168 (RL) × 112 (SI)	220 (AP) × 165 (RL) × 25 (SI)	220 (AP) × 180 (RL) × 88 (SI)
TI (ms)	800/2700	NA	NA
TR (ms)	6000	1300	52
TE (ms)	5	32	23
Flip angle	4°/5°	50°	10°
EPI factor	NA	NA	15
Scan time (min:sec)	10:32	8:36	3:40
No. of repetitions	4	1	1