Lindqvist, D
Fernström, J
Grudet, C
Ljunggren, L
Träskman-Bendz, L
Ohlsson, L
Westrin, Å
Article History
Received: 26 July 2016
Revised: 5 October 2016
Accepted: 15 October 2016
First Online: 6 December 2016
Competing interests
: The authors declare no conflict of interest.