1. Center for the Human-Animal Bond, Purdue University College of Veterinary Medicine
2. School of Medicine Center for Human-Animal Interaction, Department of Psychiatry, Virginia Commonwealth University
3. Department of Psychology, SUNY, Fredonia
4. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda MD.
5. Research Center for Human-Animal Interaction, MU College of Veterinary Medicine, University of Missouri