[1] UCL, Dept Gynaecol Oncol, London, England
[2] Barts & London Queen Marys Sch Med & Dent, Dept Histopathol, London, England
[3] Create Hlth, London, England
[4] UCL, Dept Med Stat & Epidemiol, London, England
[5] Massachusetts Gen Hosp, Dept Med, Cambridge, MA USA
[6] Harvard Univ, Sch Med, Cambridge, MA 02138 USA
[7] Univ New S Wales, Sydney, NSW, Australia