Table 2:

Coordinate and volume of each cluster showing significant DRUG x GENE interaction

		Volume (mm3)	FWE corrected p	MNI space *
				x	y	z
Controls vs. all drug users	PFC 1	51	0.009	−17.6	47.8	6.4
	PFC 2	31	0.036	−17.6	37.8	23.3
Control vs. cigarette smokers		29	0.043	−17.6	37.7	23.5
Control vs. nonsmoking drug users		29	0.044	−18.3	44.6	9.1

^*: (L-/R+, P-A+, I-S+)