<qa>  What is the name of the group that updated criteria for the diagnosis of multiple myeloMultiple myeloma requiring systemic therapy must have been confirmed in the medical history of the patients with criteria established by the International Myeloma Working Group IMWG Rajkumar V et al. Lancet International Myeloma Working Group updated criteria for the diagnosis of multiple myeloma. Lancet 2014; 15: 538-548 