[1] UNIV ESSEN GESAMTHSCH,DEPT MICROBIOL,D-4300 ESSEN 1,FED REP GER
[2] UNIV ULM,DEPT DOCUMENTAT & STAT,D-7900 ULM,FED REP GER
[3] UNIV ULM,DEPT INTERNAL MED,D-7900 ULM,FED REP GER
[4] UNIV ULM,DEPT CLIN INFECTIOL,D-7900 ULM,FED REP GER
[5] UNIV HOSP UTRECT,DEPT HAEMATOL,3500 CG UTRECT,NETHERLANDS
[6] STATE UNIV GRONINGEN HOSP,MED MICROBIOL LAB,9713 EZ GRONINGEN,NETHERLANDS
[7] DR DANIEL DENHOED CANC CTR,DEPT HAEMATOL & ONCOL,3000 AA ROTTERDAM,NETHERLANDS
[8] RUHR UNIV BOCHUM,DEPT MED MICROBIOL & IMMUNOL,D-4630 BOCHUM 1,FED REP GER
[9] UNIV HOSP HEIDELBERG,DEPT CLIN PHARMACOL,D-6900 HEIDELBERG,FED REP GER
[10] STATE UNIV GRONINGEN HOSP,DEPT HAEMATOL & ONCOL,9713 EZ GRONINGEN,NETHERLANDS