Funding for this research was provided by:
Praktikertjänst AB, Stockholm, Sweden (FoU-2012)
Article History
Received: 1 July 2017
Accepted: 22 March 2018
First Online: 10 April 2018
Compliance with ethical standards
:
: Irina Manouilenko, Inger Öhman and Jeanette Georgieva declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from the individual participant included in the study. Additional informed consent was obtained from the individual participant for whom identifying information is included in this article.