Mark A (Department of Clinical Studies Oyama Matthew J. Ryan Veterinary Hospital University of Pennsylvania Philadelphia USA),Marc S. Kraus DVM,Anna R Gelzer
（2）
Kenneth (Research Professor in Gerontology Gilhooly Brunel University London UK),Mary (Professor of Gerontology and Health Studies Martin Gilhooly Department of Clinical Sciences Brunel University Lon
（1）
Silverstein, Deborah (Assistant Professor (Critical Care), Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, PA, USA),Hopper, Kate, BVSc, MVSc, DACVECC (Assist
（1）
