1. Department of Gynecological Oncology, Erasmus Medical Center, Rotterdam, Cancer Institute, P.O. Box 5201, 3008 AE Rotterdam, The Netherlands
2. Department of Radiation Therapy, Erasmus Medical Center, Cancer Institute, P.O. Box 5201, 3008 AE Rotterdam, The Netherlands
3. Department of Pathology, Erasmus Medical Center, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands