A Study of PAD Followed by Autologous Stem Cell Transplantation (ASCT) to Treat Newly Diagnosed Multiple Myeloma

"Drug: Bortezomib, Bortezomib (1.3mg/m2, iv, on day 1, 4, 8, 11, of each 28 day cycle)~Drug: Adriamycin (Doxorubicin) /EPI, Adriamycin (Doxorubicin) (9 mg/m2, iv, on days 1-4 of each 28 day cycle) or EPI (15mg/m2, iv, on days 1-4 of each 28 day cycle)~Drug: Dexamethasone, Dexamethasone (20mg, iv, on days 1-4, 8-11of each 28 day cycle)~After received induction therapy, patients will proceed to receive ASCT based on the willing of the patients and the decision of the investigators."