1. Institute for Medical Microbiology, The 2nd Medical Faculty, Charles University,
1
and
2. Institut für Hygiene und Mikrobiologie der Universität Würzburg, 97080 Würzburg,
2
and
3. Robert Koch Institut, Bereich Wernigerode, 38855 Wernigerode,
3
Germany
4. Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences, 602 00 Brno,
4
Czech Republic, and
5. 1st Clinic of Pediatrics, University Hospital Motol,
5
150 06 Prague, and