“…Twelve papers were included in this review (Jeffcoat et al 2001, Offenbacher et al 2001, Moore et al 2004, Rajapakse et al 2005, Farrell et al 2006, Sharma et al 2007, Agueda et al 2008, Pitiphat et al 2008, Saddki et al 2008, Srinivas et al 2009, Rakoto-Alson et al 2010). One cohort study had their data reported in two articles (Moore et al 2004, Farrell et al 2006.…”