The authors of a preprint on use of hydroxychloroquine — the controversial drug heavily promoted by, and now apparently taken by, President Trump, at least for a few more days — along with azithromycin for COVID-19 have withdrawn the paper.
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The authors have withdrawn this manuscript and do not wish it to be cited. Because of controversy about hydroxychloroquine and the retrospective nature of their study, they intend to revise the manuscript after peer review.