Marioni, R E
,
Yang, J http://orcid.org/0000-0003-2001-2474
Dykiert, D
Mõttus, R
Campbell, A http://orcid.org/0000-0003-0198-5078
Davies, G
Hayward, C
Porteous, D J
Visscher, P M
Deary, I J
Article History
Received: 21 August 2015
Revised: 22 October 2015
Accepted: 13 November 2015
First Online: 9 February 2016
Competing interests
: The authors declare no conflict of interest.