Supplement to: Treatment of HCV with ABT-450/r-ombitasvir and dasabuvir with ribavirin.Feld, J JKowdley, K VCoakley, EAuthor informationThis appendix has been provided by the authors to give readers additional information about their work.New England Journal of Medicine 370(17), April 24, 2014.Copyright © 2014 Massachusetts Medical Society. All rights reserved.