Table 1.

Overview of the datasets

	No. of scans	No. of patients	No. of scanners	No. of Siemens scanners	No. of Philips scanners	No. of GE scanners	No. of 3T scanners	No. of 1.5T scanners	Age [years] mean (std) range
Training dataset	1975	1975	170	110	41	19	124	46	51.8 (19.5) [20, 90]
IBSR	18	18	2	1	0	1	1	1	38.3 (22.4) [7, 71]
FTHP	477	1	123	75	36	12	35	88	49.5 (0.4) [49, 51]
MS patients	127	127	2	1	1	0	1	1	38.4 (9.7) [20, 63]
Normal database	4872	4872	160	109	37	14	44	116	49.7 (16.8) [20, 90]

IBSR, Internet Brain Segmentation Repository; FTHP, frequently traveling human phantom; MS, multiples sclerosis