About the Authors

Kathryn S. Stok

kas@ethz.ch

Affiliations Institute for Biomechanics, ETH Zurich, Zurich, Switzerland, SCANCO Medical AG, Bruttisellen, Switzerland

Bryce A. Besler

Affiliation Institute for Biomechanics, ETH Zurich, Zurich, Switzerland

Thomas H. Steiner

Affiliation Institute for Biomechanics, ETH Zurich, Zurich, Switzerland

Ana V. Villarreal Escudero

Affiliation Institute for Biomechanics, ETH Zurich, Zurich, Switzerland

Martin A. Zulliger

Affiliation SCANCO Medical AG, Bruttisellen, Switzerland

Markus Wilke

Affiliation Department of Clinical Research, University of Bern, Bern, Switzerland

Kailash Atal

Affiliation Institute for Biomechanics, ETH Zurich, Zurich, Switzerland

Aurelie Quintin

Affiliation Department of Clinical Research, University of Bern, Bern, Switzerland

Bruno Koller

Affiliation SCANCO Medical AG, Bruttisellen, Switzerland

Ralph Müller

Affiliation Institute for Biomechanics, ETH Zurich, Zurich, Switzerland

Dobrila Nesic

Affiliation Department of Clinical Research, University of Bern, Bern, Switzerland

Competing Interests

KSS is an employee at Scanco Medical AG since January 2015 (project concluded in September 2012). MZ was an employee at Scanco Medical AG for the duration of the project. BK is an owner/employee at Scanco Medical AG. This does not alter the authors' adherence to PLOS One policies on sharing data and materials. Other authors have no competing interests regarding this study.

Author Contributions

Conceived and designed the experiments: KSS MAZ DN. Performed the experiments: KSS BAB THS AVVE MAZ MW KA AQ DN. Analyzed the data: KSS BAB DN. Contributed reagents/materials/analysis tools: BK RM DN. Wrote the paper: KSS BAB THS AVVE MAZ MW KA AQ BK RM DN. Designed the software used in analysis: KSS BAB THS KA. Statistical expertise: KSS BAB THS AVVE.