Figure 1. Flowchart of literature search and selection process. Belo Horizonte, MG, Brazil, 2018.

*n - Number of articles; †MEDLINE - Medical Literature Analysis and Retrieval System Online; ‡PUDMED - US National Library of Medicine National Institutes of Health; §PEDRO - Physiotherapy Evidence Database; ||CINAHL - The Cumulative Index to Nursing and Allied Health Literature; ¶LILACS - Latin American and Caribbean Health Sciences Literature; **VHL - Virtual Health Library; ††CUMED - National Information Center of Medical Sciences of Cuba; ‡‡RCT - Randomized Clinical Trial