1. Leiden Institute of Chemistry, Leiden University, RA, Leiden, The Netherlands;
2. Friedrich-Loeffler-Institut, Institute of Diagnostic Virology, Greifswald, Germany
3. Leiden Institute of Advanced Computer Science, Leiden University, RA, Leiden, The Netherlands
4. Department of Viroscience, Erasmus Medical Center, CA, Rotterdam, The Netherlands
5. Department of Medical Microbiology, Leiden University Medical Center, RC, Leiden, The Netherlands