“…The original article was published in Spanish with further information to that mentioned herein. We republished this work with adaptations for JIEM and translated it into English for more widely disseminate it to a different group of researchers whose access to the original article would not be easy (Callahan, 2018), (similar examples are (González De Dios, 2011;Moher, Liberati, Tetzlaff, Altman & The, 2009;Urrútia & Bonfill, 2010, or (Welch, Petticrew, Petkovic, Moher, Waters, White et al, 2015Welch, Petticrew, Tugwell, Moher, O'Neill, Waters et al, 2012, or (Moher, Shamseer, Clarke, Ghersi, Liberati, Petticrew et al, 2015. As some sections in both articles overlap and complement one another, we recommend citing both articles to refer to their contributions.…”