[1] Univ Oklahoma, Hlth Sci Ctr, Stephenson Canc Ctr, Oklahoma City, OK 73104 USA
[2] Kaiser Permanente San Francisco, Northern Calif Gynecol Canc Program, San Francisco, CA USA
[3] Univ Calif San Francisco, Mt Zion Canc Ctr, Div Gynecol Oncol, San Francisco, CA 94143 USA
[4] Mem Sloan Kettering Canc Ctr, Dept Surg, Gynecol Serv, New York, NY 10021 USA
[5] Univ N Carolina, Div Gynecol Oncol, Chapel Hill, NC USA
[6] Norton Canc Inst, Louisville, KY USA
[7] Christiana Care Hlth Syst, Helen F Graham Canc Ctr, Newark, DE USA
[8] Billings Clin, Ctr Canc, Billings, MT USA