Effect of vitamin D3 on antiphospholipid antibodies in hospitalized patients with moderate to severe COVID-19 Lucas P. Sales; Lucas V.B. Souza; Alan L. Fernandes; Igor H. Murai; Mayara D. Santos; Margarete B.G. Vendramini; Ricardo M. Oliveira; Camille P. Figueiredo; Valéria F. Caparbo; Bruno Gualano; Rosa M.R. Pereira;