CD40LG and autoimmune polyendocrinopathy: The laboratory criteria for APS include the presence of lupus anticoagulant (LAC) and medium-to-high titres of IgG and/or IgM anticardiolipin (aCL) and/or anti-ß2-glycoprotein I (aß2GPI) antibodies on two or more occasions at least 12 weeks apart [1].