PMC:7464116 / 86132-86513 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T514","span":{"begin":0,"end":20},"obj":"Sentence"},{"id":"T515","span":{"begin":21,"end":304},"obj":"Sentence"},{"id":"T516","span":{"begin":305,"end":381},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Author Contributions\nConceptualization, M.A., I.G. and G.P.; investigation, I.G., G.P., M.P. and M.A.; visualization, I.G., G.P., M.P. and M.A.; writing—original draft preparation, I.G., G.P., A.M., R.S., M.P. and M.A.; writing—review and editing, I.G., G.P., A.M., R.S., M.P. and M.A.; supervision, M.A. All authors have read and agreed to the published version of the manuscript."}