1 Pathogenesis and Control of Chronic Infections, INSERM, EFS, Université de Montpellier, 34394 Montpellier, France.
2 Pathogenesis and Control of Chronic Infections, INSERM, EFS, Université de Montpellier, 34394 Montpellier, France; and at CHU Montpellier, Department of Bacteriology-Virology and Department of Medical Information, 34295 Montpellier, France.
3 University of Zambia, School of Medicine, Department of Paediatrics and Child Health, University Teaching Hospital, 10101 Lusaka, Zambia.
4 Institute for Medical Immunology, Université Libre de Bruxelles, B - 6041 CHARLEROI, Belgium.
5 Division of Infectious Diseases & International Health, Department of Medicine, School of Medicine, University of Virginia, Charlottesville, Virginia, USA 22908.