Ahrens, W
,
Moreno, L A
Mårild, S
Molnár, D
Siani, A
De Henauw, S
Böhmann, J
Günther, K
Hadjigeorgiou, C
Iacoviello, L
Lissner, L
Veidebaum, T
Pohlabeln, H
Pigeot, I
Article History
First Online: 15 September 2014
Competing interests
: The authors declare no conflict of interest.