XRCC5/6 polymorphisms and their interactions with smoking, alcohol consumption, and sleep satisfaction in breast cancer risk: A Chinese multi‐center study oleh Li‐Xiang Yu, Li‐Yuan Liu, Yu‐Juan Xiang, Fei Wang, Fei Zhou, Shu‐Ya Huang, Chao Zheng, Chun‐Miao Ye, Wen‐Zhong Zhou, Geng‐Shen Yin, Jia‐Lin Zhang, Shu‐De Cui, Fu‐Guo Tian, Zhi‐Min Fan, Cui‐Zhi Geng, Xu‐Chen Cao, Zhen‐Lin Yang, Xiang Wang, Hong Liang, Shu Wang, Hong‐Chuan Jiang, Xue‐Ning Duan, Hai‐Bo Wang, Guo‐Lou Li, Qi‐Tang Wang, Jian‐Guo Zhang, Feng Jin, Jin‐Hai Tang, Liang Li, Shi‐Guang Zhu, Wen‐Shu Zuo, Zhong‐Bing Ma, Zhi‐Gang Yu