CD40LG and autoimmune polyendocrinopathy: Other aPL such as the IgA isotype of aCL and aß2GPI antibodies, IgG anti-domain 1 of aß2GPI antibodies, and IgG and/or IgM anti-phosphatidylserine/prothrombin antibodies have been described [14–17], not currently included in the Sydney or the new ACR/EULAR classification criteria for APS [1, 18].