1. Faculty of Dentistry, University of Toronto, Toronto, Ontario M5G 1G6, Canada
2. Department of Basic Sciences, Universidade Estadual Paulista Júlio de Mesquita Filho, School of Dentistry at Araçatuba, Araçatuba, SP 16018-805, Brazil
3. Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3E2, Canada