[1] Univ Tennessee, Hlth Sci Ctr, West Clin, Div Gynecol Oncol, Memphis, TN 38120 USA
[2] Univ Tennessee, Hlth Sci Ctr, Dept Obstet & Gynecol, Memphis, TN 38120 USA
[3] Univ Tennessee, Hlth Sci Ctr, Baptist Mem Hosp, Memphis, TN 38120 USA
[4] Blood Bank, Dept Pathol, Memphis, TN USA