Fig. 1From: Understanding the role of nurse practitioners, physician assistants and other nursing staff in HIV pre-exposure prophylaxis care in the United States: a systematic review and meta-analysisFlow Chart for study selection procedures. A total of 28 manuscripts (26 studies) were identified by January 28, 2020. Databases: PubMed/MEDLINE, Web of Science, PsycINFO, EMBASE, and Other sources (e.g., Google Scholar, Internet)Back to article page