“…Of the 96 articles that were initially identified in the search strategy, 80 studies were removed, including 3 duplicates, 77 studies during the title/abstract review, and 5 studies during the full-text review (Ewart-Toland et al, 2005;Couch et al, 2007;Qin et al, 2013;Tang et al, 2013;Xu et al, 2013) (Figure 1). Eleven studies satisfied all of the criteria and were included in this report (Dai et al, 2004;Egan et al, 2004;Sun et al, 2004;Lo et al, 2005;Cox et al, 2006;Fletcher et al, 2006;Tchatchou et al, 2007;Vidarsdottir et al, 2007;2010;Ruan et al, 2011;Shi et al, 2011).…”