1. 1. Multiple Myeloma Diagnosis: Subject was previously diagnosed with multiple myeloma by the International Myeloma Foundation 2003 Diagnostic Criteria: IMF Diagnostic Criteria: DIAGNOSTIC CRITERIA: ALL 3 REQUIRED 1. Monoclonal plasma cells in the bone marrow > 10% and/or presence of a biopsy-proven plasmacytoma 2. Monoclonal protein present in the serum and/or urine * 3. Myeloma-related organ dysfunction (1 or more) ** ; [C] Calcium elevation in the blood S. Calcium >10.5 mg/l or upper limit of normal ; [R] Renal insufficiency ; [A] Anemia Hemoglobin < 10 g/dl or 2 g < normal ; [B] Lytic bone lesions or osteoporosis ***