Liu, M, Jiang, Y, Wedow, R, Li, Y, Brazel, D M, Chen, F, Datta, G, Davila-Velderrain, J, McGuire, D, Tian, C, Zhan, X, Agee, M, Alipanahi, B, Auton, A, Bell, R K, Bryc, K, Elson, S L, Fontanillas, P, Furlotte, N A, Hinds, D A, Hromatka, B S, Huber, K E, Kleinman, A, Litterman, N K, McIntyre, M H, Mountain, J L, Northover, C A M, Sathirapongsasuti, J F, Sazonova, O V, Shelton, J F, Shringarpure, S, Tian, C, Tung, J Y, Vacic, V, Wilson, C H, Pitts, S J, Mitchell, A, Skogholt, A H, Winsvold, B S, Sivertsen, B R, Stordal, E, Morken, G, Kallestad, H V, Heuch, I, Zwart, J-A, Fjukstad, K K, Pedersen, L M, Gabrielsen, M E, Jansen, P R, Posthuma, D, 23andMe Research team, Jorgenson, E, Stitzel, J A, Liu, D J & Vrieze, S 2019, ' Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use ', Nature Genetics, vol. 51, no. 2, pp. 237-244 . https://doi.org/10.1038/s41588-018-0307-5 Nature Genetics the 23 and Me Research Team 2019, ' Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use ', Nature Genetics, vol. 51, no. 2, pp. 237-244 . https://doi.org/10.1038/s41588-018-0307-5 Nature Genetics, 51(2), 237-244. Nature Publishing Group Liu, M, Hottenga, J J, Jansen, P R, Willemsen, G, Boomsma, D I, Davies, G E, Polderman, T J C, Posthuma, D, Vrieze, S, 23Andme Research Team & HUNT All-In Psychiatry 2019, ' Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use ', Nature Genetics, vol. 51, no. 2, pp. 237-244 . https://doi.org/10.1038/s41588-018-0307-5 PMC Nature genetics Nature genetics, 51(2), 237-244. Nature Publishing Group