title: Role of big data in reducing the bias of a cohort study.
authors.affiliation: Department of Biomedical Engineering, Peking University, Beijing 100871, China.
authors.forename: Zuhong
authors.initials: Z
authors.lastname: Lu
authors.affiliation: National Institute of Drug Dependence, Peking University, Beijing 100191, China.
authors.forename: Lei
authors.initials: L
authors.lastname: Zhu
authors.affiliation: National Institute of Drug Dependence, Peking University, Beijing 100191, China. Email: urchinjj@163.com.
authors.forename: Zhongwei
authors.initials: Z
authors.lastname: Jia
mesh_terms: D015982:Bias; D035843:Biomedical Research / Q000379:methods*; D015331:Cohort Studies; D006801:Humans; D011446:Prospective Studies