Association between regional selenium status and reported outcome of COVID-19 cases in China
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The authors reported no funding received for this study. The authors report no conflicts of interest.
Supplemental Tables 1 and 2 are available from the “Supplementary data” link in the online posting of the article and from the same link in the online table of contents at https://academic.oup.com/ajcn/.
The authors’ responsibilities were as follows—JZ and EWT: joint first authors; EWT and MPR: designed the study; JZ: researched the data on COVID-19 cases, cure rate, and death rate; KB: performed the data analysis and created the figure; RS: described a counterintuitive severity ratio requiring the recognition of an environmental factor; MPR: drafted the manuscript; and all authors: contributed to creating the data tables and read and approved the final manuscript.