Table 1.

Matrix of participants and scanning devices.

Scanner no.	1	2	3	4	5	6	7	8
Scanner type	MR750	Signa Artist	HDxt	HDxt	MR450	MR450w	MR750	Signa Artist
Field strength	3.0 T	1.5 T	3.0 T	1.5 T	1.5 T	1.5 T	3.0 T	1.5 T
Head channels	8	12	8	8	12	12	12	12
Subject 1	x			x
Subject 2	x	x	x	x	x	x	x	x
Subject 3	x	x	x	x	x	x	x	x
Subject 4	x	x	x	x
Subject 5	x	x	x	x
Subject 6	x			x
Subject 7	x	x	x	x	x	x	x	x
Subject 8	x	x	x	x
Subject 9	x	x	x	x	x	x	x	x
Subject 10	x			x
Subject 11					x	x	x	x
Subject 12					x	x	x	x

Note: All scanners were manufactured by GE healthcare.