et al., 2009). Our group has continued to extend these findings in a number of follow-up publications (Ng et al., 2009; O’Dushlaine et al., 2011; Gilks et al, 2010; Moskvina et al., 2010; Chen et al., 2011; Raychaudhuri et al., 2010; Pato et al., 2010; Bridges et al., 2011; Chen et al., 2011; Sullivan et al., 2012; Jia et al., 2012a,b; Fanous et al., 2012a,b; Keller et al., 2012; Derks et al., 2012; Richards et al., 2012; Bigdeli et al., 2013).