Pincikova, T
Paquin-Proulx, D
Sandberg, J K
Flodström-Tullberg, M
Hjelte, L
Article History
Received: 7 April 2016
Revised: 24 October 2016
Accepted: 26 October 2016
First Online: 14 December 2016
Competing interests
: The authors declare no conflict of interest.