“…Nine studies on the prevalence of PAE, obtained via maternal self-reports and meconium testing (Hutson et al [ 37 ] and Magri et al [ 38 , 39 ] were published in iteration, and Derauf et al [ 40 , 41 ] are dual publications), were identified from the literature. Data on the prevalence of PAE, obtained via maternal self-reports and meconium testing, were available from only six countries: Canada [ 15 , 42 ], Germany [ 43 ], Italy [ 44 , 45 ], Spain [ 36 , 44 , 46 ], Uruguay [ 37 - 39 ], and the United States [ 40 , 41 ].…”