Results
The literature search generated a total of 21903 references: 6398 in
PubMed, 9523 (5522 excluding conference abstracts) in Embase.com and
5982 in Clarivate Analytics/ Web of Science Core Collection. After
removing duplicates of references that were selected from more than one
database, 8746 references remained. Finally, 15 articles were included
in this systematic review. The summary of the included articles is
presented in Table 1. A flow chart of the search and selection process
is presented in Figure 1 (included in Appendix A in the supplementary
material).