1. Graduate Student, School of Engineering, Univ. of Guelph, Guelph, ON, Canada N1G 2W1.
2. Professor, School of Engineering, Univ. of Guelph, Guelph, ON, Canada N1G 2W1.
3. Associate Professor, School of Engineering, Univ. of Guelph, Guelph, ON, Canada N1G 2W1 (corresponding author).