Zuccolo, Luisa
DeRoo, Lisa A.
Wills, Andrew K.
Davey Smith, George
Suren, Pål
Roth, Christine
Stoltenberg, Camilla
Magnus, Per
Article History
Received: 21 July 2016
Accepted: 24 November 2016
First Online: 23 December 2016
Change Date: 24 April 2017
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.