PMC:7712180 / 91224-91585 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T478","span":{"begin":0,"end":20},"obj":"Sentence"},{"id":"T479","span":{"begin":21,"end":138},"obj":"Sentence"},{"id":"T480","span":{"begin":139,"end":215},"obj":"Sentence"},{"id":"T481","span":{"begin":217,"end":224},"obj":"Sentence"},{"id":"T482","span":{"begin":225,"end":293},"obj":"Sentence"},{"id":"T483","span":{"begin":295,"end":316},"obj":"Sentence"},{"id":"T484","span":{"begin":317,"end":361},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Author Contributions\nConceptualization, N.S. and Y.S.; writing—original draft preparation, N.S.; writing—review and editing, N.S. and Y.S. All authors have read and agreed to the published version of the manuscript.\n\nFunding\nThis review was supported by TANAKA Precious Metals Foundation 2020.\n\nConflicts of Interest\nThe authors declare no conflict of interest."}