Houbenov, Nikolay
Milani, Roberto
Poutanen, Mikko
Haataja, Johannes
Dichiarante, Valentina
Sainio, Jani
Ruokolainen, Janne
Resnati, Giuseppe
Metrangolo, Pierangelo
Ikkala, Olli
Article History
Received: 3 February 2014
Accepted: 4 May 2014
First Online: 4 June 2014
Competing interests
: The authors declare no competing financial interests.