PMC:7436876 / 2300-2431 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T20","span":{"begin":0,"end":47},"obj":"Sentence"},{"id":"T21","span":{"begin":48,"end":131},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"MFHM and KA contributed equally to this letter. KA and MFHM wrote the initial and the final version and approved it for submission."}