[1] Univ Maryland, Sch Med, Dept Pathol, Baltimore, MD 21201 USA
[2] Massachusetts Gen Hosp, Dept Pathol, Boston, MA 02114 USA
[3] Harvard Univ, Sch Med, Boston, MA USA
[4] Johns Hopkins Univ, Sch Med, Dept Pathol, Baltimore, MD USA
[5] Johns Hopkins Univ, Sch Med, Dept Gynecol, Baltimore, MD USA
[6] Johns Hopkins Univ, Sch Med, Dept Obstet, Baltimore, MD USA
[7] Washington Hosp Ctr, Dept Pathol, Washington, DC 20010 USA
[8] Univ Autonoma Barcelona, Hosp Santa Creu Sant Pau, Dept Pathol, Barcelona, Spain
[9] Ohio State Univ, James Canc Ctr, Dept Obstet & Gynecol, Columbus, OH USA
[10] Univ Texas, MD Anderson Canc Ctr, Dept Pathol, Houston, TX 77030 USA
[11] Thomas Jefferson Univ, Dept Pathol Anat & Cell Biol, Philadelphia, PA 19107 USA