1. Veterinary Medical Teaching HospitalUniversity of California‐DavisSchool of Veterinary MedicineDavisCaliforniaUSA
2. Department of Surgical and Radiological SciencesUniversity of California‐DavisSchool of Veterinary MedicineDavisCaliforniaUSA
3. Department of Clinical SciencesUniversity of PennsylvaniaSchool of Veterinary MedicinePhiladelphiaPennsylvaniaUSA