1. Department of Clinics, Veterinary Faculty, Eduardo Mondlane University, Maputo, Mozambique
2. Department of Microbiology, Faculty of Medicine, Eduardo Mondlane University, Maputo, Mozambique
3. Department of Medicine, Infectious Disease Division, University of California, San Diego, CA, USA
4. Mozambique Institute for Health Education and Research (MIHER), Maputo, Mozambique