title: Response.
authors.affiliation: University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham, England.
authors.forename: Stavros
authors.initials: S
authors.lastname: Apostolakis
authors.affiliation: University of Missouri Health Care, Columbia, MO.
authors.forename: Renee M
authors.initials: RM
authors.lastname: Sullivan
authors.affiliation: Division of Cardiovascular Medicine, University of Iowa Hospitals and Clinics, Iowa City, IA.
authors.forename: Brian
authors.initials: B
authors.lastname: Olshansky
authors.affiliation: University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham, England. Electronic address: g.y.h.lip@bham.ac.uk.
authors.forename: Gregory Y H
authors.initials: GYH
authors.lastname: Lip
mesh_terms: D001281:Atrial Fibrillation / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D019984:Quality Indicators, Health Care; D020521:Stroke / Q000517:prevention & control*; D014859:Warfarin / Q000008:administration & dosage*
chemical_list: D014859:Warfarin