“…The bibliometric analysis should be systematic, in other words, it must be based on primary studies, it must encompass goals and methods that are clearly stated, it also should be conducted using a clear and reproducible methodology (Greenhalgh, 1997). Therefore, relying on quantitative techniques, this sort of analysis allows the possibility to unveil significant aspects, such as the citations, co-citations, authors, co-authors, periodicals, keywords, among other characteristics, such as the growth and distribution of the bibliographic production (Hsu and Chiang, 2015;Sanchez-Riofrio et al, 2015;Costa and Carvalho, 2016;Prado et al, 2016;Costa et al, 2017).…”