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Supplementary videos: Testing experiment using Wi-Fi-based IoT medical device and binary classification model without artificial sputum (Supplementary Video 1) and with 0.2 cc of artificial sputum (Supplementary Video 2). Supplementary data: Respiratory sounds and spectrograms from the training and validation datasets (Supplementary Data 1) and the testing dataset (Supplementary Data 2).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Supplementary Information"}},{"value":"Institutional Review Board at Bucheon St. Mary\u2019s Hospital approved this experimental study. (IRB approval number: HC20ONSI0106) Animal care, housing, and experimental procedures were conducted according to the Guidelines for Animal Experiments of Catholic University. 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