Cookies on this website

We use cookies to ensure that we give you the best experience on our website. If you click 'Accept all cookies' we'll assume that you are happy to receive all cookies and you won't see this message again. If you click 'Reject all non-essential cookies' only necessary cookies providing core functionality such as security, network management, and accessibility will be enabled. Click 'Find out more' for information on how to change your cookie settings.

DOI

10.1093/ije/dys062

Type

Journal article

Journal

International Journal of Epidemiology

Publisher

Oxford University Press (OUP)

Publication Date

01/06/2012

Volume

41

Pages

650 - 657