Voortman, T
Braun, K V E
Kiefte-de Jong, J C
Jaddoe, V W V
Franco, O H
van den Hooven, E H
Article History
Received: 21 August 2015
Revised: 6 January 2016
Accepted: 13 January 2016
First Online: 15 February 2016
Competing interests
: The authors declare no conflict of interest.