title: Defining cancer-related fatigue for biomarker discovery.
authors.affiliation: National Institute of Nursing Research, National Institutes of Health, 9000 Rockville Pike, Building 3, Room 5E, Bethesda, MD, 20892, USA.
authors.forename: Kristin
authors.initials: K
authors.lastname: Filler
authors.affiliation: National Institute of Nursing Research, National Institutes of Health, 9000 Rockville Pike, Building 3, Room 5E, Bethesda, MD, 20892, USA. saliganl@mail.nih.gov.
authors.forename: Leorey N
authors.initials: LN
authors.lastname: Saligan