TRAF3 and Miyoshi myopathy: Deletions and inactivating mutations of the TRAF3 gene are some of the most frequent genetic alterations in a variety of human B cell malignancies, including MM, gastric and splenic marginal zone lymphoma (MZL), DLBCL, B-CLL, HL and Waldenstrom’s macroglobulinemia (WM) [63,66].