About the Authors

Gregory Robison

Affiliation Department of Physics, Purdue University, West Lafayette, Indiana, United States of America

Taisiya Zakharova

Affiliation Department of Physics, Purdue University, West Lafayette, Indiana, United States of America

Sherleen Fu

Affiliation School of Health Sciences, Purdue University, West Lafayette, Indiana, United States of America

Wendy Jiang

Affiliation School of Health Sciences, Purdue University, West Lafayette, Indiana, United States of America

Rachael Fulper

Affiliation Department of Physics, Purdue University, West Lafayette, Indiana, United States of America

Raul Barrea

Affiliation Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, United States of America

Matthew A. Marcus

Affiliation Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America

Wei Zheng

Affiliation School of Health Sciences, Purdue University, West Lafayette, Indiana, United States of America

Yulia Pushkar

ypushkar@purdue.edu

Affiliation Department of Physics, Purdue University, West Lafayette, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YP WZ. Performed the experiments: GR TZ SF WJ RF. Analyzed the data: GR YP. Contributed reagents/materials/analysis tools: RB MM. Wrote the paper: GR WZ YP.