1. Department of Electronics, Carleton University, Mackenzie Building, 1125 Colonel By Drive, Ottawa, K1S5B6 Canada
2. Department of Civil and Environmental Engineering, Carleton University, Mackenzie Building, 3432, 1125 Colonel By Drive, Ottawa, K1S5B6, Canada
3. Department of Building Construction, Virginia Tech, 430 Bishop-Favrao Hall (0156), 1345 Perry St, Blacksburg, VA 24061, USA