Grevnerts, Hanna Tigerstrand
Fältström, Anne
Sonesson, Sofi
Gauffin, Håkan
Carlfjord, Siw
Kvist, Joanna
Article History
Received: 6 September 2017
Accepted: 24 January 2018
First Online: 6 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study had ethical approval from the Regional Ethical Review Board Dnr 2014 (71/31).
: Informed consent was obtained from all individual participants included in the study.