[1] Penn State Univ, Dept Nutr Sci, Immunol Res Lab, Pathobiol Grad Program, University Pk, PA 16802 USA
[2] Penn State Univ, Immunol Res Labs, Pathobiol Grad Program, Dept Vet Sci, University Pk, PA 16802 USA
[3] Penn State Univ, Dept Nutr Sci, Immunol Res Lab, Nutr Grad Program, University Pk, PA 16802 USA
[4] Penn State Univ, Dept Vet Sci, Immunol Res Lab, Nutr Grad Program, University Pk, PA 16802 USA