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Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Philip A Walker conceived and designed the experiments, performed the experiments, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables.

Niamh Cummins contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Niamh Collins analyzed the data, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Ethics

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

Connolly Memorial Hospital Ethics Committee, Ref 01 6465179

Funding

The authors declare there was no funding for this work. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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