1. Department of Electrical and Computer Engineering University of California Davis CA 95616 USA
2. Department of Computer Sciences and Electrical Engineering Marshall University Huntington WV 25755 USA
3. Department of Biomedical Engineering Georgia Institute of Technology and Emory University Atlanta Georgia 30322 USA
4. Civil Aviation College Department of Air Traffic Control Firat University Elazig 23180 Turkey
5. Electrical Engineering Department University of Ha'il Ha'il 81451 Saudi Arabia