fludarabine, cyclophosphamide, rituximab; N/A-not applicable; R: rituximab; HSCT:
hematopoietic stem cell trsansplantation; CHOP: cyclophosphamide, doxorubicin,
vincristine, prednisolone; VIC: ifosfamide, etoposide, carboplatin; CHEP: cyclophosphamide,
doxorubicin, etoposide, prednisolone; CVP: cyclophosphamide, vincristine, prednisolone;
ND: not determined; IVIg: intravenous immunogliobulins; Y: yes; N: no; URTI: upper …