About the Authors

Berend C. Stoel

b.c.stoel@lumc.nl

Affiliation Division of Image Processing, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands

Terry M. Borman

Affiliation Borman Violins, Fayetteville, Arkansas, United States of America

Ronald de Jongh

Affiliation Cremonese Vioolbouw Amsterdam, Amsterdam, The Netherlands

Competing Interests

TMB is a sole proprietorship company (Borman Violins, Fayetteville, Arkansas, United States of America) and RJ is a sole proprietorship company (Cremonese Vioolbouw Amsterdam, Amsterdam, The Netherlands). TMB received 300 for publication of an article studying a violin using CT and modal analysis in Strad in 2011. As ‘product in development’, TMB is planning to open a company to provide confidential instrument evaluation reports in 2012, in collaboration with BCS. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: BCS TMB RJ. Performed the experiments: BCS TMB RJ. Analyzed the data: BCS TMB RJ. Contributed reagents/materials/analysis tools: BCS TMB RJ. Wrote the paper: BCS TMB RJ. Designed the software: BCS.