[1] Emory Univ, Immunol & Mol Pathogensis Program, Atlanta, GA 30322 USA
[2] Emory Univ, Dept Pediat, Atlanta, GA 30322 USA
[3] Univ Georgia, Dept Vet Med, Athens, GA 30602 USA
[4] Emory Univ, Sch Med, Dept Med, Atlanta, GA USA
[5] Childrens Healthcare Atlanta, Ctr Cyst Fibrosis & Airways Dis Res, Atlanta, GA USA