University of Aberdeen - Health Economics Research Unit, University of Antwerp - Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), University of Antwerp - Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), Statens Serums Institut - Department of Virus and Microbiological Special Diagnostics, University of Padua - Division of Paediatric Infectious Diseases, NIVEL (Netherlands Institute for Health Services Research), Nanjing Medical University - School of Public Health, Sanofi - France, University of Padua - Institute of Pediatric Research, Utrecht University - Department of Pediatrics, Università degli Studi di Pisa - Dipartimento di Ricerca Traslazionale e delle Nuove Tecnologie in Medicina e Chirurgia, Roskilde University - Department of Science and Environment, University of Turku - Department of Pediatrics, Utrecht University - Department of Pediatrics, University of Antwerp - Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID), New York University (NYU), University of Antwerp - Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID) and University of Antwerp - Centre for Health Economics Research and Modelling Infectious Diseases (CHERMID)