Common variants in left/right asymmetry genes and pathways are associated with relative hand skill

William M. Brandler, Andrew P. Morris, David M. Evans, Thomas S. Scerri, John P. Kemp, Nicholas J. Timpson, Beate St Pourcain, George D. Smith, Susan M. Ring, John Stein, Anthony P. Monaco, Joel B. Talcott, Simon E. Fisher, Caleb Webber^*, Silvia Paracchini