1. Graduate Program in Biomedical Engineering, University of Manitoba, Winnipeg, Canada;
2. Sound and Vibration Laboratoy, Department of Mechanical Engineering, University of Manitoba, Winnipeg, Canada;
3. Friction-Vibration Laboratory, Department of Mechanical Engineering and Energy Processes, Southern Illinois University Carbondale, Carbondale, IL, USA;
4. Department of Civil Engineering, University of Manitoba, Winnipeg, Canada