[1] Univ Toronto, Donnelly Ctr Cellular & Biomol Res, Toronto, ON, Canada
[2] Rohto Pharmaceut Co Ltd, Regenerat Med Res & Planning Div, Kyoto, Japan
[3] Univ Toronto, Inst Biomed Engn, Toronto, ON, Canada
[4] Univ Toronto, Chem Engn & Appl Chem, Toronto, ON, Canada