We used the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline [70] to develop the study protocol registered in PROSPERO (CRD42020180715). We conducted literature searches in PubMed (Table (Table2)2) and Embase from 1960 until April 2020 using predefined key terms. We limited the searches to adult females. We also searched Google Scholar and manually searched the reference lists of eligible articles for publications not identified in the initial search.
PubMed search string
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