1. From Colorado State University Flint Animal Cancer Center, Argus Institute, and Colorado State University Pet Hospice, Colorado State University, Fort Collins, Colorado (G.B.); Home to Heaven, Loveland, Colorado (K.C.); Bridge Veterinary Services, Berkeley, California (S.C.); The Downing Center for Animal Pain Management, Windsor, Colorado (R.D.); Angel Care Cancer Center for Animals, Memphis, Te