1. Department of Electrical and Computer Engineering, Arba Minch University (AMU), Arba Minch, Ethiopia
2. Department of Electrical/Electronics and Computer Engineering, Afe Babalola University, Ado-Ekiti, Nigeria
3. Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, India
4. School of Electrical and Computer Engineering, Addis Ababa University (AAU), Addis Ababa, Ethiopia