作者单位:Oklahoma Med Res Fdn, Oklahoma City, OK 73104 USA[1]Jackson Lab, Bar Harbor Maine, ME 04609 USA[2]Univ Massachusetts, Sch Med, Program Mol Med, Worcester, MA 01655 USA[3]Univ Massachusetts, Sch Med, Div Infect Dis & Immunol, Worcester, MA 01655 USA[4]