Howard, David; Adams, Mark; Clarke, Toni-Kim; Hafferty, Jonathan; Gibson, Jude; Shirali, Masoud; Coleman, Jonathan; Ward, Joey; Wigmore, Eleanor; Alloza, Clara; Shen, Xueyi; Barbu, Miruna; Xu, Eileen; Whalley, Heather; Marioni, Riccardo; Porteous, David; Davies, Gail; Deary, Ian; Hemani, Gibran; Tian, Chao; Hinds, David; 23andMe Research Team; Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium; Trzaskowshi, Maciej; Byrne, Enda; Ripke, Stephan; Smith, Daniel; Sullivan, Patrick; Wray, Naomi; Breen, Gerome; Lewis, Cathryn; McIntosh, Andrew (University of Edinburgh, )