1. WALTHAM Centre for Pet Nutrition, Freeby Lane, Waltham-on-the-Wolds, Melton Mowbray, Leicestershire, UK
2. University of Pennsylvania School of Veterinary Medicine, Center for the Interaction of Animals and Society (CIAS), Philadelphia, PA, USA
3. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Rockville, MD, USA
4. Mars Petcare, Global Scientific Affairs, McLean, VA, USA