[1] HUDDINGE UNIV HOSP,KAROLINSKA INST,DIV CLIN VIROL,S-14186 HUDDINGE,SWEDEN
[2] HUDDINGE UNIV HOSP,KAROLINSKA INST,DIV ORAL BIOL,DEPT IMMUNOL,S-14186 HUDDINGE,SWEDEN
[3] HUDDINGE UNIV HOSP,KAROLINSKA INST,DIV ORAL BIOL,DEPT MICROBIOL,S-14186 HUDDINGE,SWEDEN
[4] HUDDINGE UNIV HOSP,KAROLINSKA INST,DIV ORAL BIOL,DEPT PATHOL,S-14186 HUDDINGE,SWEDEN
[5] HUDDINGE UNIV HOSP,KAROLINSKA INST,DIV ORAL BIOL,DEPT INFECT DIS,S-14186 HUDDINGE,SWEDEN