Access to Data: Dr Böni had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Financial Disclosures: Dr Rühli reports receiving travel fees from Forschungskredit University of Zurich, Zurich, Switzerland, and from Siemens AG Medical Solutions, Erlangen, Germany. Mr von Waldburg reports receiving salary support and travel fees from Forschungskredit University of Zurich and travel fees from Siemens AG Medical Solutions. Drs Nielles-Vallespin and Speier are employees of Siemens AG Medical Solutions. Dr Böni reports no financial disclosures.
Funding/Support: Salary support, travel fees, examination fees, and computer hardware were provided by Forschungskredit University of Zurich. Travel fees were provided by Siemens AG Medical Solutions. Computer software was provided by Hans-Christian Hege, ZUSE Institute, Berlin, Germany.
Role of the Sponsor: The sponsors had no role in the design and conduct of the study, in the collection, management, analysis, and interpretation of the data, or in the preparation, review, or approval of the manuscript.
Additional Contributions: Georges Bonani, PhD, Institute for Particle Physics ETH, Zurich, Switzerland, was compensated for AMS-C14-dating of specimens. Jürg Hodler, Dr Med, Orthopedic University Hospital Balgrist, Zurich, Switzerland, provided uncompensated technical comments and also allowed uncompensated access to technical equipment (CT scan). Peter Groscurth, Dr Med, Institute of Anatomy, University of Zurich, Zurich, Switzerland, provided long-time nonfinancial general support.