“…Over the past 20 years, the PEDI has been widely used in both clinical practice and research (Berg et al, 2008;Berg, Fräslie, & Hussain, 2003;Chen et al, 2009;Chen et al, 2010;Custers, Hoijtink, van der Net, & Helders, 2000;Custers, Wassenberg-Severijnen, Hoijtink, Vermeer, & Helders, 2003;Erkin et al, 2007;Gannotti & Cruz, 2001;Groleger, Vidmar, & Zupan, 2005;Mancini, 2005;Nordmark, Orban, Hägglund, & Jarnlo, 1999;Stahlhut et al, 2010;Stahlhut, Gard, Aadahl, & Christensen, 2011).…”