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Y.R.C. declares no competing interests. H.K.L. declares no competing interests. J.J. declares no competing interests. J.H. declares no competing interests. H.S.K. declares no competing interests. H.-W.S. is an inventor on patent applications submitted by Seoul National University related to an image-based polysomnography dataset and its application. H.-W.S. is a founder of OUaR LaB, Inc., serves on the Board of Directors and as a chief executive officer for OUaR LaB, Inc., and owns OUaR LaB Stock, which are subject to certain restrictions under university policy.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"55"}}