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Additional Information

Competing Interests

There are no competing interests

Author Contributions

Oussama Metatla conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables.

Nick Bryan-Kinns conceived and designed the experiments, reviewed drafts of the paper.

Tony Stockman conceived and designed the experiments, reviewed drafts of the paper.

Fiore Martin conceived and designed the experiments, performed the computation work.

Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Queen Mary Research Ethics Committee. Approval number QMREC1356a

Data Deposition

The following information was supplied regarding data availability:

https://drive.google.com/folderview?id=0BxMHWqejPltrNGttT2dxcGQ1M1E&usp=sharing

Funding

Funded by EPSRC Grant number EP/J017205/1 The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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