1 “...Eligible studies included randomized controlled trials (RCTs), nonrandomized trials...”

2 “...Eligible studies included randomized controlled trials (RCTs), nonrandomized trials...”

3 “... independently rated data quality for all included studies using predefined criteria. DATA SYNTHESIS: No reviewed...”

4 “... SOURCES: PubMed/MEDLINE, the Cochrane Library, EMBASE, and trial registries through March 31, 2016...”

5 “... SOURCES: PubMed/MEDLINE, the Cochrane Library, EMBASE, and trial registries through March 31, 2016...”

6 “...One treatment study was limited to adolescents, and all others enrolled adults; the majority...”

7 “...Trials showing clinically meaningful benefit in hearing-related function among groups receiving...”

8

9 “..., and observational studies do not clearly establish the magnitude of benefit. For women enrolled in WIC, low SOE...”

10 “..., and observational studies do not clearly establish the magnitude of benefit. For women enrolled in WIC, low SOE...”

11 “...-language studies using a priori criteria. Eligible studies included randomized, controlled trials (RCTs...”

12 “...-language studies using a priori criteria. Eligible studies included randomized, controlled trials (RCTs...”