Falk, Jens
Aly, Markus
Berglund, Anders
Nordström, Tobias
Valdman, Alexander
Article History
Received: 3 March 2019
Accepted: 6 June 2019
First Online: 22 June 2019
Compliance with ethical standards
:
: No funding support is associated with this study.
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors. 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.Ethical permission to conduct the study has been granted in 2012 (Dnr: 2012/438-31/3) and prolonged in 2018 (Dnr: 201/568-32) [17, 19].
: Informed consent regarding all individuals participating in the study is subjected to coverage by the national Swedish ethical permissions (Dnr: 2012/438-31/3) and (Dnr: 201/568-32) obtained specifically for the purposes of this study.