title: Erratum to: Efficient reference-free adaptive artifact cancellers for impedance cardiography based remote health care monitoring systems.
abstract: [This corrects the article DOI: 10.1186/s40064-016-2461-5.].
authors.affiliation: Department of Electronics and Communication Engineering, Jawaharlal Nehru Technological University, Kakinada, AP 533003 India.
authors.forename: Madhavi
authors.initials: M
authors.lastname: Mallam
authors.affiliation: Department of Electronics and Communication Engineering, JNTUK, University College of Engineering, Vizianagaram, AP 535002 India.
authors.forename: K Chandra
authors.initials: KC
authors.lastname: Bhushana Rao