,
Nagy, P
Kovacs, E
Moreno, L A
Veidebaum, T
Tornaritis, M
Kourides, Y
Siani, A
Lauria, F
Sioen, I
Claessens, M
Mårild, S
Lissner, L
Bammann, K
Intemann, T
Buck, C
Pigeot, I
Ahrens, W
Molnár, D
Article History
First Online: 15 September 2014
Competing interests
: The authors declare no conflict of interest.