1. Infectious Diseases Unit Kinshasa University Hospital Faculty of Medicine University of Kinshasa Democratic Republic of Congo Kinshasa USA
2. Faculty of Medicine and Odontostomatology (FMOS) University of Sciences Techniques & Technologies of Bamako (USTTB) Bamako Mali
3. Pneumology Unit Kinshasa University Hospital Faculty of Medicine University of Kinshasa, DRC Kinshasa USA
4. Department of Medicine Centre for Infectious Diseases, Faculty of Medicine and Health Sciences Stellenbosch University, Cape Town, South Africa; and Department of Epidemiology, Infectious Diseases and Microbiology, University of Pittsburgh Pittsburgh Pennsylvania USA