Author details Gosta Ekman Laboratory, Department of Psychology, Stockholm University, Stockholm, Sweden. Arcos-Burgos Group, Department of Genome Sciences, John Curtin School of Medical Research, The Australian National University, Canberra, ACT, Australia. Neuroscience Research Group, University of Antioquia, Medellin, Medellin, Colombia. Department of Civil Engineering, Faculty of Engineering, University of Porto, Porto, Portugal.