Tognon, G
,
Moreno, L A
Mouratidou, T
Veidebaum, T
Molnár, D
Russo, P
Siani, A
Akhandaf, Y
Krogh, V
Tornaritis, M
Börnhorst, C
Hebestreit, A
Pigeot, I
Lissner, L
Article History
First Online: 15 September 2014
Competing interests
: YA received doctoral grant support from an EU FP7 project. LL has received grant support from VR, FORTE and FORMAS (research councils in Sweden). The remaining authors declare no conflict of interest.