1. Department of Medical Microbiology, Academic Medical Center, Amsterdam, the Netherlands
2. Department of Viroscience, Erasmus Medical Center, Rotterdam, the Netherlands
3. Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, United Kingdom
4. Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, the Netherlands
5. Department of Medical Intensive Care, Cochin University Hospital, Paris, France
6. Department of Women and Child Health, University of Padova, Padua, Italy
7. Department of Respiratory Medicine and Infectious Disease, Medizinische Hochschule, Hannover, Germany
8. Julius Center, University Medical Center Utrecht, Utrecht, the Netherlands
9. Department of Clinical Pathology, University Hospital Antwerp, Antwerp, Belgium