title: Reply to 'Sleep duration and breast cancer risk in the breast cancer detection demonstration project follow-up cohort: true associations or bias?'.
authors.affiliation: Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland, USA.
authors.forename: X
authors.initials: X
authors.lastname: Qian
authors.affiliation: Hormonal and Reproductive Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland, USA.
authors.forename: L A
authors.initials: LA
authors.lastname: Brinton
authors.affiliation: Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland, USA.
authors.forename: C
authors.initials: C
authors.lastname: Schairer
authors.affiliation: Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, Maryland, USA.
authors.forename: C E
authors.initials: CE
authors.lastname: Matthews
mesh_terms: D001943:Breast Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D012890:Sleep / Q000502:physiology*