Herttoniemi;
Hospital;
City;
of;
Helsinki;
Department;
of;
Bacteriology;
and;
Immunology;
Haartman;
Institute;
University;
of;
Helsinki;
Repolar;
Oy;
Box;
26;
02101;
Espoo;
Finland;
HUSLAB;
Helsinki;
University;
Central;
Hospital;
Laboratory;
Department;
of;
Medical;
Sciences;
University;
of;
Uppsala;