About the Authors

Nicholas Bryan

n.bryan@liv.ac.uk

Affiliation Clinical Engineering, United Kingdom Centre for Tissue Engineering, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, United Kingdom

Fiona C. Lewis

Affiliation Clinical Engineering, United Kingdom Centre for Tissue Engineering, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, United Kingdom

Damian Bond

Affiliation CellCap Technologies Ltd., The Greens Farm, Todmorden, Bacup, United Kingdom

Christopher Stanley

Affiliation CellCap Technologies Ltd., The Greens Farm, Todmorden, Bacup, United Kingdom

John A. Hunt

Affiliation Clinical Engineering, United Kingdom Centre for Tissue Engineering, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, United Kingdom

Competing Interests

DB and CS are employees of CellCap Technologies Ltd. NB and JH are founding members of CellCap although currently have no financial benefit from this company and are presently employed by the University of Liverpool. FL has no affiliation to CellCap. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: FL NB DB CS JH. Performed the experiments: FL NB. Analyzed the data: FL NB. Contributed reagents/materials/analysis tools: CS DB JH. Wrote the paper: FL NB CS DB JH.