Gardner, Rachael
Feely, Allison
Layte, Richard
Williams, James
McGavock, Jonathan
Article History
Received: 13 August 2018
Revised: 5 April 2019
Accepted: 24 April 2019
First Online: 13 May 2019
Competing interests
: The authors declare no competing interests.
: All stages of the Growing Up in Ireland project were approved by the Health Research Board’s standing Research Ethics Committee based in Dublin, Ireland and these analyses were approved by the Biomedical Research Ethics Board at the University of Manitoba.