(1) Small Animal Hospital, University of Glasgow Veterinary School, Glasgow, Scotland; (2) Clinical Department of Small Animals and Horses, University of Veterinary Medicine, Vienna, Austria; (3) College of Veterinary Medicine

(1) Veterinary Clinical Medicine, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, USA

(1) Murdoch University Veterinary Hospital, Small Animal Surgery, Murdoch Western Australia, Australia

(1) Université de Toulouse, Ecole Nationale Vétérinaire de Toulouse, Laboratoire de Chirurgie Expérimentale du Tissu Osseux et Cartilagineux, Unité de Chirurgie, Toulouse Cedex, France; (2) INSERM U825, CHU Purpan, Toulouse Cedex 3, France; (3) Urodelia SA, Le Gaillard, Route de Saint Thomas, Saint Lys, France; (4) Hôpital des enfants, Toulouse cedex 9, France

(1) Department of Basic Animal and Veterinary Sciences, Faculty of Life Sciences, University of Copenhagen, Frederiksberg C, Denmark; (2) Department of Biomedical Sciences, University of Guelph, Guelph, Canada

* The following authors, L. C. Berg and T. G. Koch, have contributed equally to this paper.

(1) Division of Companion Animal Sciences, Faculty of Veterinary Medicine, University of Glasgow, Glasgow, UK; (2) School of Engineering and Science, University of West Scotland, Paisley, UK; (3) The Liphook Equine Hospital, Forest Mere, Liphook, Hampshire, UK

(1) Departamento de Medicina y Cirugía Animal, Facultad de Veterinaria, Universidad Autónoma de Barcelona, Barcelona, Spain; (2) Hospital Veterinario J. Prat Morera, Barcelona, Spain; (3) Clinica Veterinaria Puerta de Hierro

(1) Departamento de Medicina y Cirugía Animal, Facultad de Veterinaria, Universidad Autónoma de Barcelona, Barcelona, Spain; (2) Hospital Veterinario J. Prat Morera, Barcelona, Spain; (3) Clinica Veterinaria Puerta de Hierro

(1) Clinic for Small Animal Surgery, Vetsuisse Faculty University of Zurich, Switzerland; (2) Department for Farm Animals, Vetsuisse Faculty University of Zurich, Switzerland

(1) Marie Louise Veterinary Hospital, Baldoyle, Dublin, Ireland; (2) Dublin Institute of Technology, Dublin, Ireland

(1) Michigan State University, Veterinary Clinical Sciences, East Lansing, Michigan, USA; (2) Washington State University, Veterinary Clinical Sciences, Pullman, Washington, USA; (3) Animal Surgery Center, Melbourne, Victoria, Australia

(1) Current address: Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, UK; (2) Division of Companion Animal Science, Department of Clinical Veterinary Science, University of Bristol, Langford Hourse, Langford, Bristol, England

(1) The Royal Veterinary College, North Mymms, Hatfield, Hertfordshire, UK

(1) Queen Mother Hospital for Animals, Royal Veterinary College, Hawkshead Lane, Hatfield, UK; (2) Department of Veterinary Clinical Sciences, Royal Veterinary College, London, UK; (3) Department of Veterinary Pathology, Royal Veterinary College, London, UK

(1) Southpaws Veterinary Specialists and Emergency Center – Surgery, Fairfax, Virginia, USA; (2) Michigan State University, College of Veterinary Medicine, Department of Small Animal Clinical Sciences, East Lansing, Michigan, USA; (3) VCA All Care Animal Referral Center – Surgery, Fountain Valley, California, USA