Sexually active patients of reproductive potential are not eligible unless they have agreed to use an effective contraceptive method for the duration of their study participationXx_NEWLINE_xXSexually active patients of reproductive potential are not eligible unless they agree to use an effective contraceptive method for the duration of treatment and for 3 months after stopping treatmentXx_NEWLINE_xXPatients who are pregnant or nursing; if patients are of reproductive age and have not undergone hysterectomy, they must use an effective contraceptive method for the duration of this studyXx_NEWLINE_xXSexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participationXx_NEWLINE_xXSexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participationXx_NEWLINE_xXSexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation and for 30 days after the last dose of chemotherapyXx_NEWLINE_xXUnwillingness to use an effective contraceptive method for the duration of their study participation and for at least 1 month after treatment is completed if sexually active with reproductive potentialXx_NEWLINE_xXSexually active patients of reproductive potential who have not agreed to be abstinent or use 2 forms of effective contraception during treatment through 1 month off therapy are excludedXx_NEWLINE_xXPregnancy and breast feeding* Female patients who are pregnant; a pregnancy test is required for female patients of childbearing potential* Lactating females who plan to breastfeed their infants while on study therapy and through 5 months after completion of study therapy* Sexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation and for 5 months after the end of study treatmentXx_NEWLINE_xXSexually active patients of reproductive potential are not eligible unless they have agreed to use an effective contraceptive method for the duration of their study participation; patients should maintain adequate contraception for a minimum of 2 months after the last dose of ch14.18 (dinutuximab)Xx_NEWLINE_xXSexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation and for at least 3 months after treatment is completedXx_NEWLINE_xXSexually active patients of reproductive potential are not eligible unless they have agreed to use an effective contraceptive method for the duration of their study participation and for 6 months after the last dose of chemotherapyXx_NEWLINE_xXSexually active patients of reproductive potential are not eligible unless they have agreed to use an effective contraceptive method for the duration of their study participationXx_NEWLINE_xXSexually active female patients of reproductive potential are not eligible unless they agree to use an effective contraceptive method during study and for 2 months after stopping the study drug; abstinence is an acceptable method of birth controlXx_NEWLINE_xXSexually active patients of reproductive potential are not eligible unless they have agreed to use an effective contraceptive method for the duration of their study participation and until six months after completion of study therapyXx_NEWLINE_xXSexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participationXx_NEWLINE_xX