About the Authors

Mathias Worni

Affiliations Research on Research Group, Department of Surgery, Duke University, Durham, North Carolina, United States of America, Department of Surgery, Duke University Medical Center, Durham, North Carolina, United States of America

Ricardo Pietrobon

Affiliations Research on Research Group, Department of Surgery, Duke University, Durham, North Carolina, United States of America, Department of Surgery, Duke University Medical Center, Durham, North Carolina, United States of America

Guilherme Roberto Zammar

Affiliations Research on Research Group, Department of Surgery, Duke University, Durham, North Carolina, United States of America, Pontifícia Universidade Católica do Paraná, Curitiba - Paraná, Brazil

Jatin Shah

Affiliation Research on Research Group, Department of Surgery, Duke University, Durham, North Carolina, United States of America

Bryan Yoo

Affiliation Stanford University, Palo Alto, California, United States of America

Mauro Maldonato

Affiliations Research on Research Group, Department of Surgery, Duke University, Durham, North Carolina, United States of America, Department of Storic, Linguistic and Antropologic Sciences, University of Basilicata, Potenza, Italy

Steven Takemoto

Affiliations Department of Orthopaedic Surgery, University of California San Francisco, San Francisco, California, United States of America, Philip R. Lee Institute for Health Policy Studies, San Francisco, California, United States of America

Thomas P. Vail

vailt@orthosurg.ucsf.edu

Affiliation Philip R. Lee Institute for Health Policy Studies, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RP MW GZ JS BY ST MM TV. Performed the experiments: RP MW GZ JS BY ST TV. Analyzed the data: RP MW GZ JS. Wrote the paper: RP MW GZ JS BY ST MM TV.