Study design
This study will follow the international model of Systematic Review and Meta-analysis, following the rules of PRISMA (preferred reporting items for systematic reviews and meta-analysis) [19].
Table 1 shows the main variables of the present study that will be addressed according to the classification of the acronym PICO (P = Patients; I = Intervention; C = Control; O = Outcomes).
Table 1. PICO chart (Patients; Intervention; Control; Outcomes).