title: Erratum to: Assessment of physical activity in patients with chronic kidney disease and renal replacement therapy.
abstract: [This corrects the article DOI: 10.1186/s40064-015-1338-3.].
authors.affiliation: Renal Department, Royal Preston Hospital, Lancashire Teaching Hospitals NHS Foundation Trust, Preston, UK ; Medical School, University of Manchester, Manchester, UK.
authors.forename: William S G
authors.initials: WS
authors.lastname: Hayhurst
authors.affiliation: Renal Department, Royal Preston Hospital, Lancashire Teaching Hospitals NHS Foundation Trust, Preston, UK ; Nephrology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
authors.forename: Aimun
authors.initials: A
authors.lastname: Ahmed