1. Advanced Magnetic Resonance Center; Oklahoma Medical Research Foundation; Oklahoma City; OK; USA
2. College of Public Health; University of Oklahoma-Tulsa; Tulsa; OK; USA
3. Free Radical Biology and Aging; Oklahoma Medical Research Foundation; Oklahoma City; OK; USA
4. Department of Surgery; University of Oklahoma Health Science Center; Oklahoma City; OK; USA
5. Huntsman Cancer Institute; University of Utah; Salt Lake City; UT; USA