Mikkelsen, A
Galli, C
Eiben, G
Ahrens, W
Iacoviello, L
Molnár, D
Pala, V
Risé, P
Rodriguez, G
Russo, P
Tornaritis, M
Veidebaum, T
Vyncke, K
Wolters, M
Mehlig, K http://orcid.org/0000-0002-2653-0734
,
Article History
Received: 24 March 2016
Revised: 11 July 2016
Accepted: 12 July 2016
First Online: 21 September 2016
Competing interests
: The authors declare no conflict of interest.