This systematic review was conducted through an electronic search across PubMed, Google Scholar, MEDLINE, and Science Direct. 
PubMed
This systematic review was conducted through an electronic search across PubMed, Google Scholar, MEDLINE, and Science Direct. 
Google Scholar
This systematic review was conducted through an electronic search across PubMed, Google Scholar, MEDLINE, and Science Direct. 
MEDLINE
This systematic review was conducted through an electronic search across PubMed, Google Scholar, MEDLINE, and Science Direct. 
Science Direct