Table 1.

Flowchart of the screening process.

Sources of articles	Database search (N=2,154)	Snowball (n=52)
Initial screening of articles by title and abstract	223 included; 1,931 excluded	52 included
Second screening of articles by full-text review	23 included;	27 included;
	141 excluded;	25 excluded
	59 unavailable
Articles included in the scoping review	50 articles