Table 2.

Follow-up time for studies reporting sustained and unsustained changes in clinical behavior

	6–8 m	12 m	18 m	24 m	48 m	3–6 y
Studies reporting sustained results	[35–41]	[42–45]	[46–48]	[49–53]	[54]	[55]
Studies reporting unsustained results	[56–59]	[12, 60–62]	-	-	-	-

m = months, y = years