Table 1.

Raw data collection and aggregation of EEG and MEG are 100% collected. While MRI data collection is 15% because the number and size of the data is huge. The fMRI data collection is ongoing

	Raw data collection and aggregation (%)	Record date range	Disease classification (%)	Attributes selection (%)	Data anonymity (%)	Data transformation (%)	Number of records
EEG	100	2001–March 2018	50	80	100	2	4214
MEG	100	2008–February 2018	60	90	100	30	190
MRI	15	2002–October 2018	50	60	10	1	8876
fMRI	0	NA	0	0	0	0	19