1. Department of Large Animal Surgery after School of Veterinary Medicine; University College Dublin, School of Veterinary Medicine; Dublin Ireland
2. Clinique Vétérinaire Equine de Livet; St-Michel de Livet France
3. Chiltern Equine Clinic, Blueberry Farm Hospital; Berks United Kingdom
4. Bjerke Dyrehospital- En Rikstotoklinikk; Økern Torgv 51, 0586 Oslo Norway