1. Animal
Nutrition Group, Wageningen University, P.O. Box 338, 6700 AH Wageningen, The Netherlands
2. Laboratory
of Food Chemistry, Wageningen University, P.O. Box 17, 6700 AA Wageningen, The Netherlands
3. Waltham® Centre
for Pet Nutrition, Freeby Lane, Waltham-on-the-Wolds, Melton Mowbray, Leicestershire LE14 4RT, United Kingdom
4. Division
of Nutrition, Faculty of Veterinary Medicine, Utrecht University, P.O. Box 80152, 3508 TD Utrecht, The Netherlands