Vatanen, A
Hou, M
Huang, T
Söder, O
Jahnukainen, T
Kurimo, M
Ojala, T H
Sarkola, T
Turanlahti, M
Saarinen-Pihkala, U M
Jahnukainen, K
Article History
Received: 17 August 2016
Revised: 29 October 2016
Accepted: 2 November 2016
First Online: 9 January 2017
Competing interests
: The authors declare no conflict of interest.