Table 1.
Database | Search fields | Result with no constraints, n | Constraints | Result with constraints, n |
Scopus | Title, abstract, and keywords | 822 | English, published in 2008 or after, and article | 358 |
Web of Science | Topic | 681 | English, published in 2008 or after, and article | 470 |
PubMed | MeSHa fields | 4627 | English, published in 2008 or after, article, clinical trial, and human subjects | 1502 |
ACMb | All fields | 10 | English, published in 2008 or after, and article | 7 |
Totalc | All fields | 6140 | All constraints | 2337 |
aMeSH: Medical Subject Headings.
bACM: Association for Computing Machinery.
cThese results were affected by searching the libraries without constraints and yielded unrelated results.