Additional file 1: Figure S1. of Decreased ex vivo production of interferon-gamma is associated with severity and poor prognosis in patients with lupus AhnSung ParkEun ShimJoo HaSang-Jun KimBeom JungSeung LeeSang-Won ParkYong-Beom SongJason 2017 Flowchart for patient selection in the present study. (TIF 120 kb)