[1] UNIV REGENSBURG,DEPT INTERNAL MED 1,D-93042 REGENSBURG,GERMANY
[2] UNIV REGENSBURG,DEPT DERMATOL,D-93042 REGENSBURG,GERMANY
[3] UNIV JENA,FS,DEPT INTERNAL MED 4,D-07740 JENA,GERMANY
[4] UNIV ZURICH,CTR EXP RHEUMATOL,CH-8091 ZURICH,SWITZERLAND
[5] UNIV ALABAMA,DEPT MICROBIOL,BIRMINGHAM,AL 35294