Eligibility criteria
Inclusion criteria
  1. Clinical trials
  2. English articles or articles with English abstracts
  3. Studies from the beginning of the year 2000 to the end of 2020.
Exclusion criteria
  1. Case reports
  2. Review of literatures
  3. Clinical trials published entirely in other languages
  4. Animal studies
  5. In-vitro studies
Both two authors searched for articles that met selection criteria. The articles that did not meet the selection criteria and duplicate articles were removed from the study. Both two authors then screened the remaining papers individually to confirm their eligibility.