1. Comenius University in Bratislava, Faculty of Natural Sciences, Department of Microbiology and Virology, Mlynská dolina B-2, 842 15 Bratislava, Slovak Republic
2. VIB Department of Molecular Microbiology, KU Leuven, Kasteelpark Arenberg 31, Box 2438, B-3001 Leuven-Heverlee, Belgium
3. Laboratory of Molecular Cell Biology, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
4. Department of Medical Diagnostic Sciences, KU Leuven, Leuven, Belgium