About the Authors

Tristan Whitmarsh

tw401@cam.ac.uk

Affiliation University of Cambridge, Department of Engineering, Trumpington Street, Cambridge, CB2 1PZ, United Kingdom

Graham M. Treece

Affiliation University of Cambridge, Department of Engineering, Trumpington Street, Cambridge, CB2 1PZ, United Kingdom

Andrew H. Gee

Affiliation University of Cambridge, Department of Engineering, Trumpington Street, Cambridge, CB2 1PZ, United Kingdom

Kenneth E. S. Poole

Affiliation University of Cambridge, Department of Medicine, Addenbrooke’s Hospital, Cambridge, CB2 0QQ, United Kingdom

Competing Interests

The authors have the following interests: This study was funded by Eli Lilly. TW, GMT, AHG and KESP received research grants from Eli Lilly. GMT and KESP are co-inventors on a related patent (WO 2011/042738) (Image data processing systems). This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. There are no further patents, products in development or marketed products to declare.

Author Contributions

Conceived and designed the experiments: TW GMT AHG KESP. Performed the experiments: TW. Analyzed the data: TW. Contributed reagents/materials/analysis tools: GMT AHG. Wrote the paper: TW GMT AHG KESP.