1. Laboratory of Immunology, Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium;
2. HLA and Molecular Hematology Laboratory, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium;
3. Laboratory of Immunology, Department of Bacteriology-Virology, Centre Hospitalier Universitaire Le Dantec, Cheikh Anta Diop University, Dakar, Senegal;
4. Department of Infectious Diseases, Centre Hospitalier Universitaire Fann, Cheikh Anta Diop University, Dakar, Senegal; and
5. Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium