1. Laboratory of Virology, Division of Laboratory Medicine and Division of Infectious Diseases, University of Geneva Hospitals, Switzerland; University of Geneva Medical School, Switzerland
2. Laboratory of Bacteriology, Division of Laboratory Medicine and Division of Infectious Diseases, Geneva University Hospitals, Switzerland; University of Geneva Medical School, Switzerland
3. University of Geneva Medical School, Switzerland
4. Cantonal Health Service, General Directorate for Health, Geneva, Switzerland
5. University of Geneva, Institute of Global Health, Geneva, Switzerland / Institute of Mathematics, University of Zurich, Switzerland
6. Institute of Mathematics, University of Zurich, Switzerland
7. Infection Control Programme and WHO Collaborating Centre on Patient Safety, The University of Geneva Hospitals and Faculty of Medicine, Geneva, Switzerland
8. Swiss National Reference Centre for Legionella