| Database | Number of articles retrieved |
|---|---|
| PubMed | 14 |
| EMBASE | 22 |
| Cochrane CENTRAL | 11 |
| EBSCOhost (CINAHL Plus) | 20 |
| Scopus | 51 |
| ClinicalTrials.gov | 4 |
| ProQuest | 28 |
| Google scholar | 115 |
| Total | 265 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.