1 “... October 31, 2016. STUDY SELECTION: Two investigators independently selected English-language studies using...”

2 “... October 31, 2016. STUDY SELECTION: Two investigators independently selected English-language studies using...”

3 “...DATA EXTRACTION: One investigator extracted data and a second checked accuracy. Two reviewers...”

4

5 “... publications. Fifteen studies had a concurrent control group (12 RCTs, 2 nonrandomized trials, and 1 cohort...”

6

7 “... surveillance of literature since August 2018. STUDY SELECTION: Two investigators independently selected English...”

8 “... publications. Fifteen studies had a concurrent control group (12 RCTs, 2 nonrandomized trials, and 1 cohort...”

9 “... surveillance of literature since August 2018. STUDY SELECTION: Two investigators independently selected English...”

10 “...One RCT, which delivered the intervention face-to-face in a clinic setting, showed a 2.3 percent...”

11

12

13 “...). REVIEW METHODS: Two investigators independently selected, extracted data from, and rated risk of bias...”

14 “...). REVIEW METHODS: Two investigators independently selected, extracted data from, and rated risk of bias...”