Tetyana Zayats (Broad Institute, University of Bergen), Geoffrey English (QIMR-Berghofer Medical Research Institute), Andrea Allegrini (King’s College, Institute of Psychiatry, Psychology and Neuroscience, Social, Genetic and Developmental Psychiatry Centre, London, UK), Kaili Rimfeld (King’s College, Institute of Psychiatry, Psychology and Neuroscience, Social, Genetic and Developmental Psychiatry Centre, London, UK), Christie Burton (SickKids Research Institute, University of Toronto, Toronto, Canada), Bowei Xiao (SickKids Research Institute, University of Toronto, Toronto, Canada), Joanna Martin (Cardiff University, Karolinska Institutet), Yi Lu (Karolinska Institutet), Isabell Brikell (Karolinska Institutet), Michel Nivard (Department of Biological Psychology, VU University), Jennifer Crosbie (SickKids Research Institute, University of Toronto, Toronto, Canada), Paul Arnold (Mathison Centre for Mental Health Research & Education, University of Calgary; SickKids Research Institute, University of Toronto, Toronto, Canada), Russell Schachar (SickKids Research Institute, University of Toronto, Toronto, Canada), Corina Greven (King’s College, Institute of Psychiatry, Psychology and Neuroscience, Social, Genetic and Developmental Psychiatry Centre, London, UK; Radboud Univ, Donders Institute for Brain, Cognition and Behaviour), Stefan Johansson (K.G.Jebsen Center for Neuropsychiatric Disorders, Department of Clinical Science, University of Bergen, Bergen, Norway), Sebastian Lundström (University of Gothenburg), Henrik Larsson (Karolinska Institutet), Paul Lichtenstein (Karolinska Institutet), Dorret Boomsma (Vrije Universiteit Amsterdam), Sarah Medland (QIM), Jan Haavik (K.G.Jebsen Center for Neuropsychiatric Disorders, Department of Biomedicine, University of Bergen, Bergen, Norway), Benjamin Neale (Analytic and Translational Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard)