PMC:7267243 / 19380-19656 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T213","span":{"begin":0,"end":124},"obj":"Sentence"},{"id":"T214","span":{"begin":125,"end":276},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The authors confirm that the ethical policies of the journal, as noted in the author's guideline page, have been adhered to. Our study was approved by the ethic committee of the University Hospital of Cologne (Identifier of the University of Cologne Ethics Committee 20‐1157)."}