Liedberg, Fredrik
Gerdtham, Ulf
Gralén, Katarina
Gudjonsson, Sigurdur
Jahnson, Staffan
Johansson, Irene
Hagberg, Oskar
Larsson, Staffan
Lind, Anna-Karin
Löfgren, Annica
Wanegård, Jenny
Åberg, Hanna
Nilbert, Mef
Article History
Received: 28 March 2016
Revised: 22 July 2016
Accepted: 1 August 2016
First Online: 25 August 2016
Competing interests
: The authors declare no conflict of interest.