About the app The IJE (International Journal of Epidemiology) app from Oxford University Press enables you to read this leading journal both online and offline on your iOS device (provided you have a relevant personal subscription, institutional subscription, or society membership). You can: • download issues when you’re online, so that you can read them whether you’re connected to the Internet or not • view the tables of contents for issues when you’re online, whether you have downloaded them yet or not • easily read issues from cover to cover by swiping through articles • download and read advance articles (published ahead of print) • download and read the PDF version of an article • use the in-app search feature • bookmark your favourite articles • add your own notes to articles • share articles by email or on social media About the journal The International Journal of Epidemiology is an essential requirement for anyone who needs to keep up to date with epidemiological advances and new developments throughout the world. It encourages communication among those engaged in the research, teaching, and application of epidemiology of both communicable and non-communicable disease, including research into health services and medical care. The journal is published on behalf of the International Epidemiological Association (IEA) by Oxford University Press. Oxford University Press is a department of the University of Oxford. It furthers the University’s objective of excellence in research, scholarship, and education by publishing worldwide.