1. Department of Electrical Engineering, University of Nigeria, Nsukka, NIGERIA
2. Department of Electrical/Electronics and Computer Engineering, Afe Babalola University, Ado-Ekiti, NIGERIA
3. Department of Electrical and Electronics Engineering, Rivers State University, NIGERIA
4. Faculty of Information Technology, City University, Petaling Jaya, 46100, MALAYSIA
5. Department of Physical and Chemical Sciences, Elizade University, Ilara-Mokin, NIGERIA