Kimouche, Amina
Ervasti, Mikko M.
Drost, Robert
Halonen, Simo
Harju, Ari
Joensuu, Pekka M.
Sainio, Jani
Liljeroth, Peter
Article History
Received: 5 August 2015
Accepted: 10 November 2015
First Online: 14 December 2015
Competing interests
: The authors declare no competing financial interests.