Physical activity and risk of breast cancer overall and by hormone receptor status: the European prospective investigation into cancer and nutrition

Steindorf K, Ritte R, Eomois P-P, Lukanova A, Tjonneland A, Johnsen NF, Overvad K, Østergaard JN, Clavel-Chapelon F, Fournier A, Dossus L, Teucher B, Rohrmann S, Boeing H, Wientzek A, Trichopoulou A, Karapetyan T, Trichopoulos D, Masala G, Berrino F, Mattiello A, Tumino R, Ricceri F, Quirós JR, Travier N, Sánchez M-J, Navarro C, Ardanaz E, Amiano P, Bueno-de-Mesquita HBA, van Duijnhoven F, Monninkhof E, May AM, Khaw K-T, Wareham N, Key TJ, Travis RC, Borch KB, Sund M, Andersson A, Fedirko V, Rinaldi S, Romieu I, Wahrendorf J, Riboli E, Kaaks R. Physical activity and risk of breast cancer overall and by hormone receptor status: the European prospective investigation into cancer and nutrition. Int J Cancer. 2013; 132(7): 1667-78.