1. Faculty of Engineering and Applied Science, University of Regina, Regina, Saskatchewan S4S 0A2, Canada
2. Measurement Science and Standards, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada
3. Information and Communication Technologies, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada
4. School of Engineering, The University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada