About the Authors
Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, United States of America
Department of Pathology, University of Utah Health Sciences Center, Salt Lake City, Utah, 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: KS WMH HA. Performed the experiments: KS WMH HA. Analyzed the data: KS WMH HA. Wrote the paper: KS WMH HA.