Knowledge, attitudes, and practices toward COVID-19 among university students in Japan and associated factors: An online cross-sectional survey 論文 Asuka Hatabu・Xinhua Mao・Yi Zhou・Norihito Kawashita・Zheng Wen・Mikiko Ueda・Tatsuya Takagi・Yu‐Shi Tian ·2020-12-21 ·『PLoS ONE』 15(12) pp. e0244350-e0244350 doi:10.1371/journal.pone.0244350