作者单位:Univ Pierre & Marie Curie Paris 6, Fac Med, Bacteriol Lab, Paris, France[1]Lithuanian Univ Hlth Sci, Med Acad, Dept Lab Med, Kaunas, Lithuania[2]Lithuanian Univ Hlth Sci, Vet Acad, Inst Microbiol & Virol, Eiveniu 4, LT-50009 Kaunas, Lithuania[3]Lithuanian Univ Hlth Sci, Med Acad, Inst Cardiol, Kaunas, Lithuania[4]