1 Purdue University, Department of Animal Science, West Lafayette, IN.
2 University of Kentucky, Department of Animal and Food Sciences, Lexington, KY.
3 Iowa State University, Department of Animal Science, Ames, IA.
4 Department of Land and Food Systems, The University of British Columbia, Animal Welfare Program, Faculty of Land and Food Services, Vancouver, BC, Canada.
5 Washington State University, Department of Animal Sciences, Pullman, WA.
6 American Society of Animal Science, Champaign, IL.
7 Department of Animal Sciences and Industry, Kansas State University, Animal Sciences and Industry, Manhattan, KS.