1. Associate Professor, Faculty of Engineering and Industrial Science (H38), Swinburne Univ. of Technology, P.O. Box 218, Hawthorn, VIC 3122, Australia (corresponding author).
2. Associate Lecturer, Swinburne Univ. of Technology, Melbourne, Australia.
3. Ph.D. Student, Swinburne Univ. of Technology, Melbourne, Australia.
4. Senior Principal/Director, DST Consulting Engineers Inc., Thunder Bay, Ontario, Canada.