1. Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia.
2. Department of Medicine, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia.
3. Department of Physiology and Biophysics, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia.
4. Department of Obstetrics and Gynecology, Georgetown University Hospital, Washington, District of Columbia.
5. Department of Pharmacology, Georgetown University, Washington, District of Columbia.