title: CHALLENGE Trial 1 Year Feasibility Results-Letter.
authors.affiliation: Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts. cpernar@mail.harvard.edu.
authors.forename: Claire H
authors.initials: CH
authors.lastname: Pernar
authors.affiliation: Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
authors.forename: Sarah C
authors.initials: SC
authors.lastname: Markt
authors.affiliation: Dana-Farber Cancer Institute, Boston, Massachusetts.
authors.forename: Rana R
authors.initials: RR
authors.lastname: McKay
authors.affiliation: Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
authors.forename: Lorelei A
authors.initials: LA
authors.lastname: Mucci
mesh_terms: D000073116:Cancer Survivors; D003110:Colonic Neoplasms; D015444:Exercise; D005081:Exercise Therapy; D006801:Humans