Table 2. Core characteristics of dataset 3 (resting state functional MRI).

Dataset	Center	TR [msec]	Slices [n]	Volumes [n]	Sex [M/F/U]	Ages [min-max]
Dataset 3 (fcon_1000)	Atlanta, GA, USA	2000	20	205	6/14/1	22–54
	Baltimore, MD, USA	2500	47	123	7/13/0	20–40
	Bangor, UK	2000	34	265	20/0/0	19–38
	Beijing, China	2000	33	225	11/9/0	18–25
	Berlin, Germany	2300	34	195	12/8/0	23–44
	Cambridge, MA, USA	3000	47	119	3/17/0	18–24
	Cleveland, OH, USA	2800	31	127	8/12/0	24–57
	Dallas, TX, USA	2000	36	115	11/9/0	20–71
	ICBM, Montreal, Canada	2000	23	128	10/10/0	19–85
	Leiden, Netherlands	2180	38	215	16/4/0	20–27
					104/95/1	30.67±13.43

From each center, 20 subjects were selected at random (total n = 200); all data was acquired on scanners with a field strength of 3 Tesla. Note that age is provided in years here, but was converted to months at date of scan for all calculations. M, male; F, female; U, unknown. For more information on this dataset, see also Supplement S3.