[1] BEN GURION UNIV NEGEV,COROB RES CTR,AUTOIMMUNE DIS RES UNIT,DEPT INTERNAL MED D,IL-84105 BEERSHEBA,ISRAEL
[2] BLOOMSBERRY HOSP,DEPT RHEUMATOL,LONDON,ENGLAND
[3] MONTREAL GEN HOSP,MONTREAL H3G 1A4,QUEBEC,CANADA
[4] BEILINSON MED CTR,DEPT INTERNAL MED E,IL-49100 PETACH TIKVA,ISRAEL
[5] TEL AVIV UNIV,SACKLER SCH MED,TEL AVIV,ISRAEL
[6] BEN GURION UNIV NEGEV,SOROKA MED CTR,FAC HLTH SCI,CLIN IMMUNOL LAB,IL-84105 BEERSHEBA,ISRAEL
[7] SW FDN BIOMED RES,DEPT VIROL & IMMUNOL,SAN ANTONIO,TX 78284