1. Michael Okpara University of Agriculture,Dept. of Elect/Elect Engineering,Umudike,Nigeria
2. Tshwane University of Technology,Dept. of Elect Engineering,Pretoria,South Africa
3. Akwa Ibom State University,Dept. of Elect/Elect Engineering,Ikot Akpaden,Nigeria
4. University of Agriculture,Dept. of Elect/Elect Engineering,Makurdi,Nigeria
5. Alex-Ekwueme Federal University,Dept. of Elect/Elect Engineering,Ndufu-Alike,Nigeria
6. University of Nigeria,Dept. of Elect Engineering,Nsukka,Nigeria