*2.3. Data Extraction*

Two researchers (N.M.J. and F.M.A.) independently extracted the following information from each eligible original study according to the standardized form: (1) the author's name; (2) participants (sex and number); (3) age of participants; (4) filed-based test; (5) criterion measure (gold standard); (6) statistical methods; (7) main outcome; and (8) conclusions.

The same researchers independently extracted the following information from the systematic reviews: (1) author´s name, date and years covered by the review; (2) type of review and number of included studies; (3) age of participants; (4) filed-based test; (5) criterion measure (gold standard); (6) main outcome; and (7) conclusions.

Disagreements in the extracted data were discussed between studies until a consensus was reached.
