[1] Columbia Univ, Dept Med, Columbia Ctr Translat Immunol, Med Ctr, New York, NY USA
[2] Columbia Univ, Naomi Berrie Diabet Ctr, Med Ctr, New York, NY USA
[3] Univ Pittsburgh, Sch Med, Div Immunogenet, Dept Pediat,John G Rangos Res Ctr,Childrens Hosp, Pittsburgh, PA USA
[4] Univ Florida, Coll Med, Dept Pathol, Immunol & Lab Med, Gainesville, FL USA