1. University of Luxembourg & NUST,SnT Center,Pakistan
2. Khalifa University,Comp. & Commun. Eng. Dept.,Abu Dhabi,UAE
3. Texas A&M University,Eng. Tech. & Ind. Dist. Dept.,Texas,USA
4. Oklahoma state university,Elect. & Comp. Eng. Dept.,Stillwater,USA
5. Iowa state university, USA & NUST,Elect. & Comp. Eng. Dept.,Pakistan