1. Department of Infection and Immunity Luxembourg Institute of Health Esch‐sur‐Alzette Luxembourg
2. Centre Hospitalier de Luxembourg National Service of Infectious Diseases Luxembourg Luxembourg
3. Luxembourg (Lux‐Development) Kigali Rwanda
4. Department of Clinical Chemistry, Microbiology and Immunology AIDS Reference Laboratory Ghent University Ghent Belgium
5. Department of Pathology and Laboratory Medicine Emory University School of Medicine Atlanta GA USA