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The success witnessed in the past 50\u2009years of KD research and development among the economically advanced countries has led to effective recognition and management strategies for KD. Hence, local, multicenter, national, and international collaborative efforts, with dynamic exchange between low\u2010 and middle\u2010income and countries such as Japan, and Europe and North America, which have developed effective guidelines, are needed to improve recognition and care of patients with KD. 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