[1] Univ Hosp Bern, Dept Rheumatol & Clin Immunol Allergol, Bern, Switzerland
[2] St Thomas Hosp, Rayne Inst, Lupus Res Inst, London SE1 7EH, England
[3] Cornell Univ, Joan & Sanford Weill Coll Med, Barbara Volcker Ctr Women & Rheumat Dis, Hosp Special Surg, New York, NY USA
[4] Univ Connecticut, Ctr Hlth, Div Rheumat Dis, Dept Med, Farmington, CT USA
[5] Osped Niguarda Ca Granda, Dept Internal Med & Rheumatol, Milan, Italy
[6] Chaim Sheba Med Ctr, Dept Obstet & Gynecol, IL-52621 Tel Hashomer, Israel
[7] Tel Aviv Univ, IL-69978 Tel Aviv, Israel
[8] Univ Padua, Div Rheumatol, Dept Clin & Expt Med, I-35100 Padua, Italy
[9] Univ London Imperial Coll Sci Technol & Med, Sch Med, Dept Obstet & Gynaecol, London, England
[10] Univ Milan, Cattedra Med Interna, I-20122 Milan, Italy
[11] Univ Milan, Inst Obstet & Gynecol, I-20122 Milan, Italy
[12] Univ Med Ctr Utrecht, Dept Rheumatol & Clin Immunol, Utrecht, Netherlands
[13] Univ Utah, Hlth Sci Ctr, Dept Obstet & Gynecol, Salt Lake City, UT USA
[14] Spedali Civil Brescia, Neonatol & Neonatal Intens Care Unit, I-25125 Brescia, Italy
[15] Univ Birmingham, Ctr Immune Regulat, Div Immun & Infect, Birmingham, W Midlands, England
[16] Univ Basque Country, Dept Internal Med, Hosp Cruces, Bizkaia, Spain
[17] Univ Pavia, Dept Obstet & Gynecol, I-27100 Pavia, Italy
[18] Univ Texas, Hlth Sci Ctr, Houston, TX USA
[19] Fdn Policlin Mangiagalli, Milan, Italy
[20] Fdn Community Control Hereditary Dis, Budapest, Hungary
[21] Grp Hosp Pitie Salpetriere, Serv Med Interne, F-75634 Paris, France
[22] Hosp Clin Barcelona, Dept Autoimmune Dis, Barcelona, Spain
[23] Univ Estado, Discipline Rheumatol, Fac Ciencias Med, Rio De Janeiro, Brazil
[24] Univ Cattolica Sacro Cuore, Dept Obstet & Gynecol, I-00168 Rome, Italy
[25] Johns Hopkins Univ, Sch Med, Div Rheumatol, Lupus Ctr, Baltimore, MD USA
[26] Tel Aviv Univ, Chaim Sheba Med Ctr, Dept Med, Tel Hashomer, Israel
[27] Tel Aviv Univ, Chaim Sheba Med Ctr, Ctr Autoimmune Dis, Tel Hashomer, Israel
[28] Univ & Hosp Brescia, Dept Obstet & Gynecol, Brescia, Italy
[29] Univ Roma La Sapienza, Cattedra Reumatol, Rome, Italy