Hovey, D
Lindstedt, M
Zettergren, A
Jonsson, L
Johansson, A
Melke, J
Kerekes, N
Anckarsäter, H
Lichtenstein, P https://orcid.org/0000-0003-3037-5287
Lundström, S
Westberg, L
Article History
Received: 30 April 2015
Revised: 9 July 2015
Accepted: 5 August 2015
First Online: 22 September 2015
Competing interests
: The authors declare no conflict of interest.