1. Department of Microbiology and Molecular Medicine, University of Geneva, Geneva, Switzerland
2. European Plotkin Institute for Vaccinology, Université libre de Bruxelles, Brussels, Belgium
3. Population Epidemiology Unit, Primary Care Division, University of Geneva, Geneva, Switzerland
4. Centre of Vaccinology, Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland
5. Centre of Vaccinology, Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland, Unit of Pediatric Immunology, Rheumatology and Vaccinology, Children’s Hospital of Geneva, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland