About the Authors

Richard M. Levenson

levenson@ucdavis.edu (RML); ed-wasserman@uiowa.edu (EAW)

Affiliation Department of Pathology and Laboratory Medicine, University of California Davis Medical Center, Sacramento, California, United States of America

Elizabeth A. Krupinski

Affiliation Department of Radiology & Imaging Sciences, College of Medicine, Emory University, Atlanta, Georgia, United States of America

Victor M. Navarro

Affiliation Department of Psychological and Brain Sciences, The University of Iowa, Iowa City, Iowa, United States of America

Edward A. Wasserman

levenson@ucdavis.edu (RML); ed-wasserman@uiowa.edu (EAW)

Affiliation Department of Psychological and Brain Sciences, The University of Iowa, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RML EAW EAK. Performed the experiments: RML EAW EAK VN. Analyzed the data: RML EAW EAK VN. Contributed reagents/materials/analysis tools: RML EAW EAK VN. Wrote the paper: RML EAW EAK VN.