About the Authors

Mark A. Carlson

macarlso@unmc.edu

Affiliations Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska, United States of America, Surgery 112, Omaha Veterans Affairs Medical Center, Omaha, Nebraska, United States of America

Dennis Chakkalakal

Affiliations Orthopedic Research Laboratory, Omaha Veterans Affairs Medical Center, Omaha, Nebraska, United States of America, Department of Surgery, Creighton University Medical Center, Omaha, Nebraska, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MC DC. Performed the experiments: MC. Analyzed the data: MC DC. Contributed reagents/materials/analysis tools: MC DC. Wrote the paper: MC DC.