Skip to main content
. 2020 May 13;18(1):e61–e72. doi: 10.1097/PTS.0000000000000704

FIGURE 1.

FIGURE 1

Process and results for data collection, screening, and selection. A literature search yielded a total of 5634 studies, from which 18 were included in this article. An additional 10 sources were obtained from a gray literature search.