PMC:7534795 / 123136-123402 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T742","span":{"begin":0,"end":21},"obj":"Sentence"},{"id":"T743","span":{"begin":22,"end":145},"obj":"Sentence"},{"id":"T744","span":{"begin":146,"end":223},"obj":"Sentence"},{"id":"T745","span":{"begin":224,"end":266},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Authors contributions\nA.D. and J.M.S. designed the outline of the review, A.D. screened the studies, extracted the data and wrote the manuscript. W.B. and D.S. provided significant contribution to the content of the review. J.M.S. reviewed and edited the manuscript."}