Funding: This work was supported by grants from the Center for
Companion Animal Health and the Veterinary Genetics Laboratory, School of Veterinary Medicine, University of California Davis and
in part by a grant from the National Institute of
Diabetes and Digestive and Kidney Diseases (NIDDK)(R21 DK074954), the Swedish Research Council and a Cancer Center Support Grant from the National Cancer Institute (NCI)(3 P30 CA093373).