1. Environmental Microbiology and Biotechnology Unit, Department of Microbiology, University of Calabar, Calabar, Nigeria
2. University of Calabar Collection of Microorganisms (UCCM), Department of Microbiology, University of Calabar, Calabar, Nigeria
3. Food and Industrial Microbiology Unit, Department of Microbiology, Faculty of Biological Sciences, University of Calabar, Calabar, Nigeria
4. Department of Hematology, University of Calabar Teaching Hospital, Calabar, Nigeria
5. Department of Economics, Faculty of Social Sciences, University of Calabar, Calabar, Nigeria
6. Department of Microbiology, Faculty of Science, University of Uyo, Uyo, Nigeria