Table 1.

Included and excluded studies

Study	Included/excluded	Reason for exclusion	Number of participants	Number of reported foci
Strathearn and McClure (2002)	Included	N/A	8	9
Swain et al. (2003)	Excluded	Unable to obtain foci	9–14	N/A
Nitschke et al. (2004)	Included	N/A	6	6
Ranote et al. (2004)	Included	N/A	10	3
Noriuchi et al. (2008)	Excluded	Small volume correction applied	13	N/A
Lenzi et al. (2009)	Included	N/A	16	7
Strathearn et al. (2008)	Included	N/A	28	50
Strathearn et al. (2009)	Excluded	Unable to obtain relevant foci and study not independent from Strathearn et al. (2008)	30	N/A
Atzil et al. (2011)	Included	N/A	23	21
Barrett et al. (2012)	Included	N/A	22	14
Wan et al. (2014)	Included	N/A	20	20
Abel et al. (2018)	Included	N/A	14	6
Overall	12 studies identified (9 studies included)	3 studies excluded	147 participants included	136 foci included (from 9 studies)