[1] Linkoping Univ, Fac Med, Div Mol Virol, S-58185 Linkoping, Sweden
[2] Natl Board Forens Med, Dept Forens Genet, Linkoping, Sweden
[3] Linkoping Univ Hosp, Dept Clin Microbiol, S-58185 Linkoping, Sweden
[4] Karolinska Univ Hosp Huddinge, Karolinska Inst, Dept Med, Infect Dis Unit, Stockholm, Sweden
[5] Swedish Inst Infect Dis Control, Stockholm, Sweden
[6] Kaunas Univ Med, Clin Infect Dis, Kaunas, Lithuania