PMC:7780429 / 30440-30579 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T242","span":{"begin":0,"end":139},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Contributors: JMR-M designed the study, collected data, made statistical analysis plan, wrote the first draft and submitted the manuscript."}