Adamík, Peter
Emmenegger, Tamara
Briedis, Martins
Gustafsson, Lars
Henshaw, Ian
Krist, Miloš
Laaksonen, Toni
Liechti, Felix
Procházka, Petr
Salewski, Volker
Hahn, Steffen
Article History
Received: 30 June 2015
Accepted: 27 January 2016
First Online: 15 February 2016
Competing interests
: The authors declare no competing financial interests.