About the Authors

Catrin Tudur Smith

cat1@liv.ac.uk

Affiliation Department of Biostatistics, University of Liverpool, Liverpool, United Kingdom

Deborah D. Stocken

Affiliation Birmingham Cancer Research UK Clinical Trials Unit, University of Birmingham, Birmingham, United Kingdom

Janet Dunn

Affiliation Warwick Clinical Trials Unit, University of Warwick, Coventry, United Kingdom

Trevor Cox

Affiliation Cancer Research UK Liverpool Cancer Trials Unit, University of Liverpool, Liverpool, United Kingdom

Paula Ghaneh

Affiliation Cancer Research UK Liverpool Cancer Trials Unit, University of Liverpool, Liverpool, United Kingdom

David Cunningham

Affiliation Department of Medicine, Royal Marsden Hospital, Sutton, Surrey, United Kingdom

John P. Neoptolemos

Affiliation Cancer Research UK Liverpool Cancer Trials Unit, University of Liverpool, Liverpool, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CTS DS DC JN. Performed the experiments: CTS DS. Analyzed the data: CTS DS. Contributed reagents/materials/analysis tools: CTS DS JD PG TC DC JN. Wrote the paper: CTS DS JD PG TC DC JN.