Published on in Vol 16, No 6 (2014): June

1 School of Kinesiology & Health Science, Faculty of Health, York University, Toronto, ON, CA
2 Research, Prevention and Cancer Control, Cancer Care Ontario, Toronto, ON, CA
3 Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, CA
4 Lunenfeld Tanenbaum Research Institute, Sinai Health Systems , Toronto, ON, CA
5 Division of Epidemiology and Biostatistics, Ontario Cancer Institute, Princess Margaret Hospital, Toronto, ON, CA
6 Department of Psychology, Faculty of Health, York University, Toronto, ON, CA
*all authors contributed equally