ROBO2 and autism spectrum disorder: Notably, OXT, Robo2 and Slit3 have all been implicated in Autism spectrum disorders (Anitha et al., 2008; Cukier et al., 2014; LoParo and Waldman, 2015; Modahl et al., 1998; Uzefovsky et al., 2019; Zhang et al., 2016).