1. Departement de Medecine Interne; Université Evangelique en Afrique; Bukavu Republiqe Democratique du Congo
2. Clinique des Maladies Infectieuses; CHU de Fann; Universite Cheikh Anta Diop; Dakar Senegal
3. The International Center for Advanced Research and Training (ICART); Bukavu Democratic Republic of the Congo
4. Institut de Sante et Developpement; Universite Cheikh Anta Diop; Dakar Senegal
5. Department of Interdisciplinary Health Sciences; Unit for Infection Prevention and Control; Stellenbosch University; Cape Town South Africa
6. Department of Medicine and Centre for Infectious Diseases; Stellenbosch University; Cape Town South Africa
7. Departments of Epidemiology, Infectious Diseases and Microbiology; University of Pittsburgh Graduate School of Public Health; Pittsburgh PA USA
8. Department of Epidemiology and International Health; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA