CXCL13 and systemic lupus erythematosus: CeD (1p36, 4q27, 6q23); SLE (2q32, 7q32, 8p23); T1D(2q33, 4p15, 21q22); BLC (7q32); SS(7q32); FL (6p21); UC (6q23); LBL(6p21); SCHIZOPHRENIA (6p21); VIT(21q22)