About the Authors

Guogang Xu

Affiliation Department of Cellular and Structural Biology, the University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America

C. Alex McMahan

Affiliation Department of Pathology, the University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America

Christi A. Walter

walter@uthscsa.edu

Affiliations Department of Cellular and Structural Biology, the University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America, Cancer Therapy and Research Center, the University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America, Barshop Institute for Longevity and Aging Sciences, the University of Texas Health Science Center at San Antonio, San Antonio, Texas, United States of America, South Texas Veteran's Health Care System, San Antonio, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CAW GX. Performed the experiments: GX. Analyzed the data: CAW GX CAM. Contributed reagents/materials/analysis tools: CAW GX CAM. Wrote the paper: GX CAW CAM.