Funding for this research was provided by:
National Board for Institutional Care (41-230-2010)
Received: 7 February 2017
Accepted: 17 January 2018
First Online: 30 January 2018
Ethics approval and consent to participate
: This research has been approved by the Regional Ethical Review Board at the University of Lund, Lund, Sweden (LU 88–02; Dnr 287/2005).All participants provided written consent to participate in the above study. For participants under 15 years of age, written parental consent was obtained.
: The authors declare that they have no competing interests.
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