1. Department of Electrical and Computer Engineering, University of California, San Diego, USA
2. Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA, USA
3. Department of Computer Science and Engineering, University of Puerto Rico at Mayagüez, Mayagüez, Puerto Rico
4. Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX, USA
5. Department of Electrical Engineering, University of North Texas, Denton, TX, USA