Itskov, Pavel M.
Moreira, José-Maria
Vinnik, Ekaterina
Lopes, Gonçalo
Safarik, Steve
Dickinson, Michael H.
Ribeiro, Carlos
Article History
Received: 3 June 2014
Accepted: 30 June 2014
First Online: 4 August 2014
Competing interests
: The authors declare no competing financial interests.