1. Global Health Economics, SNB Management, Soignies, Belgium
2. Health Economics, Faculty of Medicine and Pharmacy, Research Institute for Health Sciences and Technology, University of Mons–UMONS, Mons, Belgium
3. Department of Infectious Diseases, CHU Saint-Pierre, Brussels, Belgium
4. School of Public Health, Université Libre de Bruxelles (ULB), Brussels, Belgium
5. CSL Seqirus, Summit, NJ, USA