[1] Mayo Clin, Coll Med, Dept Lab Med & Pathol, Rochester, MN 55905 USA
[2] Mayo Clin, Coll Med, Dept Hlth Sci Res, Rochester, MN 55905 USA
[3] Univ S Florida, Coll Med, H Lee Moffitt Canc Ctr & Res Inst, Dept Epidemiol & Genet, Tampa, FL 33612 USA
[4] Mayo Clin, Coll Med, Dept Internal Med, Rochester, MN 55905 USA
[5] Duke Univ, Med Ctr, Dept Community & Family Med, Durham, NC 27710 USA
[6] Duke Univ, Med Ctr, Dept Obstet & Gynaecol, Durham, NC 27710 USA
[7] UCL, UCL EGA Inst Womens Hlth, Dept Gynaecol Oncol, London W1T 4JF, England
[8] Rigshosp, Danish Canc Soc, Inst Canc Epidemiol, Dept Viruses Hormones & Canc, DK-2100 Copenhagen, Denmark
[9] Univ Copenhagen, Rigshosp, Juliane Marie Ctr,CR UK, Dept Gynaecol & Obstet,Gynaecol Clin, DK-2100 Copenhagen, Denmark
[10] Stanford Univ, Sch Med, Dept Hlth Res & Policy, Stanford, CA 94305 USA
[11] Roswell Pk Canc Inst, Dept Canc Genet, Buffalo, NY 14263 USA
[12] Univ Cambridge, Canc Res United Kingdom & Strangeways Res Lab, Dept Oncol, Cambridge CB1 8RN, England