Randomized Trial of Adjunctive Prednisolone for Kawasaki Disease - Siyuan Lin; Yuanchen He; Lan He; Yiling Liu; Fangjie Wang; Zhenyu Xiong; Yixiang Lin; Lan Ye; Chen Chu; Feng Wang; Lu Zhao; Yinyin Cao; et al. (New England Journal of Medicine, 2026)