About the Authors
Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York, United States of America
Center for Advanced ESR Studies, Cornell University, Ithaca, New York, United States of America
Division of Microbiology and Molecular Genetics, Loma Linda University, Loma Linda, California, United States of America
The authors have declared that no competing interests exist.
The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: MVA KJW BRC. Performed the experiments: MVA KJW NS DS PPB. Analyzed the data: MVA NS DS PPB JHF KJW BRC. Wrote the paper: MVA BRC.