University of Oslo - NORMENT, University of Oslo, King’s College London - Institute of Psychiatry, Psychology and Neuroscience, University of California, San Diego (UCSD), Amgen, Inc. - deCODE Genetics, University of Gothenburg - Department of Obstetrics and Gynecology, Karolinska Institutet - Department of Clinical Neuroscience, Royal Institute of Technology (KTH) - Science for Life Laboratory, Estonian Genome Centre, Institute of Genomics, University of Tartu, University of Tartu, University of Bergen - KG Jebsen Centre for Diabetes Research, University of Helsinki - Institute for Molecular Medicine Finland (FIMM), University of Helsinki - Institute for Molecular Medicine Finland (FIMM), AbbVie Inc., University of Oslo - Oslo University Hospital and University of Oslo, Amgen, Inc. - deCODE Genetics, University of Iceland, University of Bergen, University of Tartu, University of Copenhagen - Institute for Biological Psychiatry, University of Copenhagen and University of Helsinki