[1] UNIV COPENHAGEN,RIGSHOSP,DEPT CLIN IMMUNOL,TISSUE TYPING LAB,DK-2200 COPENHAGEN,DENMARK
[2] UNIV COPENHAGEN,RIGSHOSP,CTR PARASITOL,DEPT INFECT MED,DK-2200 COPENHAGEN,DENMARK
[3] SKEJBY UNIV HOSP,DEPT CLIN IMMUNOL,TISSUE TYPING LAB,SKEJBY,DENMARK
[4] AARHUS UNIV,INST MED MICROBIOL,DK-8000 AARHUS,DENMARK