1. Department of Electrical and Information Engineering, Covenant University, Ota, Ogun State, Nigeria
2. Covenant Applied Informatics and Communication African Center of Excellence, Covenant University, Ota, Ogun State, Nigeria
3. Génie Electrique et Informatique, Université Libre des Pays des Grands Lacs, BP 360 Goma, Goma, Democratic Republic of the Congo
4. HRA, Institute for Systems Science, Durban University of Technology, P.O. Box 1334, Durban, South Africa
5. Infokom GmbH, Entreprise NTIC, Neubrandenburg, Germany