1. Comparative Pain Research Program, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC, USA
2. Veterinary Information Network, Davis, CA, USA
3. catsINK, Vancouver, Canada
4. Center for Pain Research and Innovation, UNC School of Dentistry, Chapel Hill, NC, USA
5. Center for Translational Pain Research, Department of Anesthesiology, Duke University, Durham, NC, USA