Table 1.

Details of the MRI scanning protocols used.

Study/MR field strength	Sequence	TR/TE	Flip angle °	Matrix size	Voxel (mm)	No. of averages	Acquisition time
Ex vivo/11.7 T	2D MGE*	1248/5	12	512×512	0.079×0.079×0.64	2	16 min
	3D MGE* with 11 echos	57/3.4–53.4	30	256×256	0.112×0.112×0.112	–	47 min
In vivo SWI 3 mm sliced/3 T	3D gradient echo SWI	29/20	15	384×384	0.63×0.63×x3	1	4 min, 42 sec

^*MGE – multi gradient echo.