Visitors   Views   Downloads
"PeerJ Preprints" is a venue for early communication or feedback before peer review. Data may be preliminary.

A peer-reviewed article of this Preprint also exists.

View peer-reviewed version

Additional Information

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

David A Ellis conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Rob Jenkins conceived and designed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Human Ethics

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

The University of Glasgow, College of Science & Engineering Ethics Committee approved all research (2013-4641). Participants were informed about procedures in detail and provided written informed consent.


This research was supported by an ESRC studentship to Ellis (ES/G017271/1), and an ESRC research grant to Jenkins (RES-060-25-0010), The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Add your feedback

Before adding feedback, consider if it can be asked as a question instead, and if so then use the Question tab. Pointing out typos is fine, but authors are encouraged to accept only substantially helpful feedback.

Some Markdown syntax is allowed: _italic_ **bold** ^superscript^ ~subscript~ %%blockquote%% [link text](link URL)
By posting this you agree to PeerJ's commenting policies