Stefler, D
Pikhart, H
Jankovic, N
Kubinova, R
Pajak, A
Malyutina, S
Simonova, G
Feskens, E J M
Peasey, A
Bobak, M
Article History
Received: 16 September 2013
Revised: 12 May 2014
Accepted: 5 June 2014
First Online: 16 July 2014
Competing interests
: The authors declare no conflict of interest.