1. Biometric Research Program Division of Cancer Treatment and Diagnosis National Cancer InstituteNIH Rockville MD USA
2. Natural Products Branch Developmental Therapeutics Program Division of Cancer Treatment and Diagnosis National Cancer Institute Frederick MD USA
3. Natural Products Support Group Frederick National Laboratory for Cancer Research Frederick MD USA
4. General Dynamics Information Technology (GDIT) Falls Church VA USA
5. Molecular Targets Program Center for Cancer Research National Cancer Institute Frederick MD USA