1Department of Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
2Barr Equine Veterinary Ltd., West Malling, Kent, UK
3Department of Veterinary Clinical Services, Hong Kong Jockey Club, Sha Tin Racecourse, New Territories, Hong Kong SAR, China
4Dental Physical Sciences, Oral BioEngineering, Queen Mary University of London, Mile End Campus, London, UK
5Department of Epidemiology and Population Health, Institute of Infection and Global Health, School of Veterinary Science, University of Liverpool, Liverpool, UK