C.Ilinca Cira a, S. Abad b, c, J. Cucherousset d, L. Combemale a, S. Grootenboer-Mignot e, M. Alexandre a, C. Le Roux-Villet a, F. Caux a, c, G. Bohelay a, c, ⁎ 
a Department of Dermatology and Referral Center for Autoimmune Bullous Diseases (MALIBUL), Avicenne Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Paris Nord University, Bobigny, France
b Department of Internal Medicine, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
c UMR INSERM 1125, Li2P, Bobigny, France
d Department of Pathology, Avicenne Hospital, AP-HP, Sorbonne Paris Nord University, Bobigny, France
e Laboratory of Immunology and Referral Center for Autoimmune Bullous Diseases (MALIBUL), Bichat Hospital, AP-HP, Paris Cité University, Paris, France