Gale, C R
Hagenaars, S P
Davies, G
Hill, W D
Liewald, D C M
Cullen, B
Penninx, B W
,
Boomsma, D I
Pell, J
McIntosh, A M
Smith, D J
Deary, I J
Harris, S E
Article History
Received: 6 October 2015
Revised: 15 January 2016
Accepted: 5 March 2016
First Online: 26 April 2016
Competing interests
: The authors declare no conflict of interest.