1. Infectious Disease Research Programme, Centre MURAZ/National Institute of Public Health, Bobo-Dioulasso, Burkina Faso
2. Pathogenesis and Control of Chronic and Emerging Infections, Univ. Montpellier, Inserm, EFS, Univ. Antilles, Montpellier, France
3. Pediatric center of excellence, University Teaching Hospitals, Lusaka, Zambia
4. Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.