Brander, G
Rydell, M
Kuja-Halkola, R
Fernández de la Cruz, L
Lichtenstein, P
Serlachius, E
Rück, C
Almqvist, C
D'Onofrio, B M
Larsson, H
Mataix-Cols, D
Article History
Received: 14 October 2016
Revised: 15 December 2016
Accepted: 9 January 2017
First Online: 28 March 2017
Competing interests
: The authors declare no conflict of interest.