[1] Univ Ottawa, Sch Epidemiol & Publ Hlth, 600 Peter Morand 101F, Ottawa, ON K1G 5Z3, Canada
[2] McMaster Univ, Dept Oncol, Hamilton, ON, Canada
[3] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[4] Canc Care Ontario, Program Evidence Based Care, Hamilton, ON, Canada
[5] Univ Antioquia, Dept Pediat, Medellin, Colombia