*3.1. Selection of the Dtudies*

A total of 7276 relevant records were identified following systematic and manual search (Figure 1). The titles of the remaining 3860 records (after removing 3416 duplicates) were screened, of which only 489 articles advanced to the abstract screening step. Only 78 articles were found eligible (51 articles excluded) for the full-text screening, which later reduced to 27 articles for the final review or analysis. Reasons for exclusion are listed in Figure 1.
