Pfisterer, Simon G.
Gateva, Gergana
Horvath, Peter
Pirhonen, Juho
Salo, Veijo T.
Karhinen, Leena
Varjosalo, Markku
Ryhänen, Samppa J.
Lappalainen, Pekka
Ikonen, Elina
Article History
Received: 28 July 2016
Accepted: 1 February 2017
First Online: 31 March 2017
Competing interests
: The authors declare no competing financial interests.