• 21st International Epidemiological Association (IEA) World Congress of Epidemiology (WCE2017) will be held in OMIYA Sonic City, Saitama, JAPAN from 20 to 22 August 2017. The theme of the conference is “Global/Regional/Local Health and Epidemiology in A Changing World”. For more detail visit conference website hyperlink http://wce2017.umin.jp/