In addition , @ genotype @b patients received asunaprevir ( @mg ) twice - ( DUAL A@ ) or once-daily ( DUAL A@ ) ; @ genotype @a and @ genotype @b patients received asunaprevir twice - ( QUAD B@ ) or once-daily ( QUAD B@ ) plus PegIFN/RBV ; and @ genotype @a and @ genotype @b patients received asunaprevir twice-daily plus ribavirin ( TRIPLE B@ ) .