1. Department of Biological Sciences, Eduardo Mondlane University, Maputo, Mozambique.
2. Department of Biomedical Sciences, University of Sassari, Sassari, Italy.
3. Center of Biotechnology, Eduardo Mondlane University, Maputo, Mozambique.
4. Maputo Central Hospital, Maputo, Mozambique.
5. Department of Microbiology, Faculty of Medicine, Eduardo Mondlane University, Maputo, Mozambique.