About the Authors

Susan P. Knowler

s.knowler@surrey.ac.uk

Affiliation School of Veterinary Medicine, Faculty of Health & Medical Sciences, University of Surrey, Guildford, Surrey, United Kingdom

Henny v/d Berg

Affiliation Fitzpatrick Referrals, Eashing, Godalming, Surrey, United Kingdom

Angus McFadyen

Affiliation akm-stats, Glasgow, Scotland, United Kingdom

Roberto M. La Ragione

Affiliation School of Veterinary Medicine, Faculty of Health & Medical Sciences, University of Surrey, Guildford, Surrey, United Kingdom

Clare Rusbridge

Affiliations School of Veterinary Medicine, Faculty of Health & Medical Sciences, University of Surrey, Guildford, Surrey, United Kingdom, Fitzpatrick Referrals, Eashing, Godalming, Surrey, United Kingdom

Competing Interests

Syringomyelia DNA Research Fund http://www.veterinaryneurologist.co.uk/Syringomyelia/DNA_Research/) is supported by public donations towards the research into Syringomyelia as directed by author CR and does not include any consultancy fees and has no conflict of interest with her employment by Fitzpatrick Referrals and the University of Surrey. SPK is a post graduate research student at the University of Surrey where RMLaR is employed. Hv/dB works voluntarily and is affiliated with Fitzpatrick Referrals. AKM is an independent statistical consultant operating professionally as a sole trader under the company name of akm-stats and did not receive any salary or other remittance for his contribution in this investigation. The University of Surrey and Fitzpatrick Referrals did not play a role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript and only provided financial support in the form of authors' salaries and/or research materials. None of the authors have personal or financial relationships with other people or organizations that might inappropriately influence or bias the content of the paper. There are no patents, products in development, or marketed products to declare. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HvdB SPK. Performed the experiments: HvdB. Analyzed the data: SPK. Contributed reagents/materials/analysis tools: CR RMLR. Wrote the paper: SPK CR. CR RMLR AKM.