Wångdahl, Josefin http://orcid.org/0000-0002-4743-8259
Lytsy, Per
Mårtensson, Lena
Westerling, Ragnar
Funding for this research was provided by:
The study was co-financed by the County Administrative Board in Stockholm, Sweden.
Article History
Received: 13 July 2017
Revised: 18 December 2017
Accepted: 21 December 2017
First Online: 26 February 2018
Compliance with ethical standards
:
: This study was performed in accordance with the ethical application that was approved by the Ethical Committee of Uppsala, Sweden (registration number 2014:526) before the study started, and with the 1964 Helsinki declaration.
: Informed consent was obtained from all participants included in the study.