1. Belgian Health Care Knowledge Centre, Brussels, Belgium
2. National Guideline Centre, Royal College of Physicians, London, UK
3. Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
4. Imelda Ziekenhuis, Bonheiden, Belgium
5. Centre Hospitalier Universitaire Saint-Pierre, Université Libre de Bruxelles Brussels, Belgium
6. Département de Médecine Générale, Université Libre De Bruxelles (ULB), Brussels, Belgium
7. Epidemiology of Infectious Diseases, Sciensano, Brussels, Belgium