[1] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada
[2] Tech Univ Crete, Sch Elect & Comp Engn, Khania, Greece
[3] Univ British Columbia, Dept Comp Sci, Vancouver, BC, Canada
[4] Univ British Columbia, Djavad Mowafaghian Ctr Brain Hlth, Vancouver, BC, Canada
[5] Univ British Columbia, Fac Med, Dept Phys Therapy, Vancouver, BC, Canada