[1] McMaster Univ, Dept Diagnost Imaging, Juravinski Hosp & Canc Ctr, Hamilton Hlth Sci, 711 Concess St, Hamilton, ON, Canada
[2] Hamilton Hlth Sci, Juravinski Hosp & Canc Ctr, Dept Diagnost Imaging, Hamilton, ON, Canada
[3] McMaster Univ, Hamilton, ON, Canada
[4] Queen Elizabeth 2 Hlth Sci Ctr, Dept Diagnost Radiol, Halifax, NS, Canada
[5] Dalhousie Univ, Halifax, NS, Canada
[6] Ottawa Hosp Res Inst, Clin Epidemiol Program, Ottawa, ON, Canada
[7] Univ Toronto, Temerty Fac Med, Toronto, ON, Canada
[8] Duke Univ, Med Ctr, Dept Radiol, Durham, NC USA
[9] Duke Univ, Med Ctr, Dept Med, Durham, NC USA
[10] Duke Univ, Med Ctr, Ctr Adv Magnet Resonance Dev, Durham, NC USA
[11] Univ N Carolina, Dept Radiol, Chapel Hill, NC USA
[12] Ottawa Hosp Civ Campus, Dept Radiol, Rm C-159, Ottawa, ON, Canada
[13] Ottawa Hosp Civ Campus, Dept Epidemiol, Rm C-159, Ottawa, ON, Canada