Cervera, R; Khamashta, M A; Shoenfeld, Y; Camps, M T; Jacobsen, S; Kiss, E; Zeher, M M; Tincani, A; Kontopoulou-Griva, I; Galeazzi, M; Bellisai, F; Meroni, P L; Derksen, R H W M; de Groot, P G; Gromnica-Ihle, E; Baleva, M; Mosca, M; Bombardieri, S; Houssiau, F; Gris, J-C