1. Department of Mechanical Engineering, The City College of the City University of New York, 160 Convent Ave., New York, New York 10031
2. Department of Biomedical Engineering, The City College of the City University of New York, 160 Convent Ave., New York, New York 10031
3. Department of Mechanical Engineering, New York Institute of Technology, Northern Boulevard, P.O. Box 8000, Old Westbury, New York 11568
4. Department of Electrical and Computer Engineering, International Islamic University Malaysia, Jalan Gombak, 53100 Selangor, Malaysia