1. United States Department of Agriculture, Agricultural Research Service, U. S. National Poultry Research Center, Poultry Microbiological Safety and Processing Research Unit , Athens, GA, 30605 , United States
2. bioMérieux Portugal , Linda-a-Velha, 2795-197 , Portugal
3. bioMérieux, Applied Maths NV , Sint-Martens-Latem, 9830 , Belgium