Table 1:

DTI acquisition protocol for the 11 academic medical centers^{^a}

Site	Scanner	Vendor	Model and Field (Tesla)	Software Version	Head Coil (Channels)	Voxel Size	Flip Angle	TR (ms)	TE (ms)	Directions	Sections	Matrix	b-Value	B0
1	Trio	Siemens	Trio 3T	syngo MR B17	12	2.7	90°	9000	94	64	64	128 × 84	1300	8
2a	Skyra	Siemens	Skyra 3T	syngo MR D13	12	2.7	90°	9000	92	64	59	128 × 84	1300	8
2b	Trio	Siemens	Trio 3T	syngo MR B17	12	2.7	90°	9000	94	64	59	128 × 84	1300	8
3	MR750	GE	MR750 3T	DV24.0_RO1_1344	8	2.7	90°	9050	81	60	59	128 × 128	1300	8
4	Signa	GE	Signa 3T	HD16.0_V02_1131a	8	2.7	90°	14,000	83	60	54	128 × 128	1000	8
5	Trio	Siemens	Trio 3T	syngo MB B17	12	2.7	90°	9000	94	64	59	128 × 84	1300	8
6	Trio	Siemens	Trio 3T	syngo MR B17	12	2.7	90°	9000	94	64	59	128 × 84	1300	8
7a	MR750	GE	MR750 3T	DV24.0_R01_1344	8	2.7	90°	9000	81	60	59	128 × 128	1300	8
7b	Trio	Siemens	Trio 3T	syngo MR B17	12	2.7	90°	9000	94	64	59	128 × 84	1300	8
8	Skyra	Siemens	Skyra 3T	syngo MR D13	20	2.7	90°	9000	92	64	59	128 × 84	1300	8
9	Signa	GE	Signa 3T	HD16.0_V02_1131a	8	2.7	90°	14,000	88	60	54	128 × 128	1300	8
10	Achieva	Phillips	Achieva 3T	U3.2.3, U3.2.3.1	8	2.7	90°	9000	71	64	59	128 × 125	1300	8
11	Ingenia	Phillips	Ingenia 3T	U5.1.2, U5.1.2.0	15	2.7	90°	9000	94	64	59	128 × 126	1300	8