Searched February 2017
1	exp Smoking/
2	Tobacco Smoke Pollution/
3	1 or 2
4	Smoking Cessation/
5	Environmental Medicine/
6	exp Environmental Pollution/
7	Public Health/
8	Health Education/
9	Health Promotion/
10	Psychotherapy/
11	4 or 5 or 6 or 7 or 8 or 9 or 10
12	exp Family/
13	Child Day Care Centers/ or Child Care/
14	Schools, Nursery/
15	(child* or carer* or caregiver* or parent* or brother* or sister* or sibling* or nanny or nannies).ti,ab.
16	12 or 13 or 14 or 15
17	3 and 11 and 16
18	limit 17 to ("newborn infant (birth to 1 month)" or "infant (1 to 23 months)" or "preschool child (2 to 5 years)" or "child (6 to 12 years)")
19randomisedd controlled trial.pt.
20	controlled clinical trial.pt.
21	randomized.ab.
22	placebo.ab.
23	drug therapy.fs.
24	randomly.ab.
25	trial.ab.
26	groups.ab.
27	19 or 20 or 21 or 22 or 23 or 24 or 25 or 26
28	Research Design/
29	Follow‐Up Studies/
30	exp evaluation studies/
31	Prospective Studies/
32	Retrospective Studies/
33	Comparative Study/
34	Cross‐Sectional Studies/
35	27 or 28 or 29 or 30 or 31 or 32 or 33 or 34
36	18 and 35
37	limit 36 to yr="2007 ‐Current"
38	(2011* or 2012*).yr,dp,ed.
39	37 and 38