| Steps |
| 1) Identification of the guiding question (research problem); |
| 2) Definition of the objective of the study; |
| 3) Selection of the sample (eligibility criteria); |
| 4) Categorization of studies (definition of information to be extracted from articles); |
| 5) Analysis of articles included in the review; |
| 6) Interpretation of results; |
| 7) Synthesis of knowledge. |