title: Re: "Self-reported sleep duration, sleep quality, and breast cancer risk in a population-based case-control study".
authors.affiliation: Institute and Policlinic for Occupational Medicine, Environmental Medicine, and Prevention Research, University Hospital of Cologne, University of Cologne, Cologne 50937, Germany.
authors.forename: Thomas C
authors.initials: TC
authors.lastname: Erren
mesh_terms: D001943:Breast Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D012890:Sleep