1. Department of Chemistry and Biochemistry, Baylor University, One Bear Place, No. 97348, Waco, Texas 76798-7348, United States
2. Department of Radiology, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-9058, United States
3. Department of Radiology Oncology, Division of Molecular Radiation Biology, The University of Texas Southwestern Medical Center, 2201 Inwood Road, Dallas, Texas 75390-9187, United States
4. Screening Technologies Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Frederick National Laboratory for Cancer Research, National Institutes of Health, Frederick, Maryland 21702, United States
5. Mateon Therapeutics, Inc., 701 Gateway Boulevard, Suite 210, South San Francisco, California 94080, United States