Patients were randomly assigned ( @:@ ) to receive either ledipasvir ( @ mg ) and sofosbuvir ( @ mg ) or ledipasvir , sofosbuvir , and ribavirin ( dosed according to the Japanese Copegus product label-ie , patients @ kg received @ mg daily , patients > @ kg to @ kg received @ mg daily , and patients > @ kg received @ mg daily ) orally once daily for @ weeks .