[1] Univ Toronto, Princess Margaret Canc Ctr, Univ Hlth Network, Div Gynecol Oncol,Sinai Hlth Syst, Toronto, ON, Canada
[2] Univ Hlth Network, Familial Canc Clin, Toronto, ON, Canada
[3] Princess Margaret Canc Ctr, Dept Biostat, Toronto, ON, Canada
[4] Princess Margaret Hosp, Toronto, ON, Canada
[5] Sinai Hlth Syst, Div Gynecol Oncol, Princess Margaret Canc Ctr, Univ Hlth Network, Toronto, ON, Canada
[6] Princess Margaret Canc Ctr, Toronto, ON, Canada