PMC:7456203 / 6000-6259 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T36","span":{"begin":0,"end":33},"obj":"Sentence"},{"id":"T37","span":{"begin":35,"end":56},"obj":"Sentence"},{"id":"T38","span":{"begin":57,"end":136},"obj":"Sentence"},{"id":"T39","span":{"begin":138,"end":154},"obj":"Sentence"},{"id":"T40","span":{"begin":155,"end":259},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Compliance with ethical standards\n\nConflicts of interest\nThe authors declare that they have no competing interests related to this work.\n\nEthical approval\nThe study was approved by the Ethics Committee of IRCCS San Raffaele Scientific Institute, Milan, Italy."}