1. Epidemiology of infectious diseases, Department of Epidemiology and Public Health, Sciensano, Brussels, Belgium
2. Department of Microbiology, National Reference Centre for toxigenic corynebacteria, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel (VUB), Brussels, Belgium
3. Médecins Sans Frontières, Brussels, Belgium
4. Preventive Medecine, Commission Communautaire Commune, Brussels, Belgium
5. Agency for Care and Health, Team Infection control and prevention, Brussels, Belgium
6. National Medical Coordinator, Fedasil, Brussels, Belgium
7. Public Health Emergencies department, Federal Public Service – Health, Food Chain Safety and Environment, Brussels, Belgium