Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Isabella Eckerle and Benjamin Meyer,SARS-CoV-2 seroprevalence in COVID-19 hotspots,The Lancet,0140-6736,Elsevier BV,2020-08,396,10250,514-515,https://cir.nii.ac.jp/crid/1360292620583417856,https://doi.org/10.1016/s0140-6736(20)31482-3