Behavior Genetics, 46(6), 798-799. Springer ResearcherID Nivard, M G, Middeldorp, C, Hottenga, J J, Fedko, I, Ehli, E A, Davies, G, van Beijsterveldt, C, Bartels, M & Boomsma, D 2016, ' Multivariate and repeated measure GWAS of aggression phenotypes ', Behavior Genetics, vol. 46, no. 6, pp. 798-799 .