Stratification by smoking status reveals an association of CHRNA5-A3-B4 genotype with body mass index in never smokers. by Amy E Taylor, Richard W Morris, Meg E Fluharty, Johan H Bjorngaard, Bjørn Olav Åsvold, Maiken E Gabrielsen, Archie Campbell, Riccardo Marioni, Meena Kumari, Jenni Hällfors, Satu Männistö, Pedro Marques-Vidal, Marika Kaakinen, Alana Cavadino, Iris Postmus, Lise Lotte N Husemoen, Tea Skaaby, Tarunveer S Ahluwalia, Jorien L Treur, Gonneke Willemsen, Caroline Dale, S Goya Wannamethee, Jari Lahti, Aarno Palotie, Katri Räikkönen, Aliaksei Kisialiou, Alex McConnachie, Sandosh Padmanabhan, Andrew Wong, Christine Dalgård, Lavinia Paternoster, Yoav Ben-Shlomo, Jessica Tyrrell, John Horwood, David M Fergusson, Martin A Kennedy, Tim Frayling, Ellen A Nohr, Lene Christiansen, Kirsten Ohm Kyvik, Diana Kuh, Graham Watt, Johan Eriksson, Peter H Whincup, Jacqueline M Vink, Dorret I Boomsma, George Davey Smith, Debbie Lawlor, Allan Linneberg, Ian Ford, J Wouter Jukema, Christine Power, Elina Hyppönen, Marjo-Riitta Jarvelin, Martin Preisig, Katja Borodulin, Jaakko Kaprio, Mika Kivimaki, Blair H Smith, Caroline Hayward, Pål R Romundstad, Thorkild I A Sørensen, Marcus R Munafò, Naveed Sattar