A total of 1,147 records were retrieved, and after duplicates were removed, 1118 remained. After abstracts and full-text screenings 1092 papers were excluded, and 27 were included in the initial report [34]. Two more papers were added after the complementary search [39,40]. Figure 1 illustrates the literature search and selection process.
Flow chart of the literature search and selection process
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.