1. Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, Carver College of Medicine, The University of Iowa, Iowa City, Iowa.
2. Department of Pathology, Carver College of Medicine, The University of Iowa, Iowa City, Iowa.
3. Galera Therapeutics, St. Louis, Missouri.
4. Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.