1. Saveetha University,SIMATS School of Engineering,Dept. of Elec. and Comm. Engg.,Chennai,India
2. City University of New York,City College of New York,Dept. of Computer Science,New York,USA
3. Monroe College,King Graduate School,Dept. of Computer Science,New York,USA
4. City University of New York,City College of New York,Dept. of Electrical Engineering,New York,USA