GAD2 and type 1 diabetes mellitus: Stage 1 T1D participant 8 was an 8-year-old female, who screened positive for microinsulin autoantibody (MIAA), glutamic acid decarboxylase 65 (GAD65) autoantibody, islet cell autoantigens (ICA) autoantibody, and zinc transporter 8 (ZNT8) autoantibody at the time of blood draw (Table 1).