Funding for this research was provided by:
Vetenskapsrådet (2009-1039, 349-2006-247)
Stiftelsen för Strategisk Forskning (IRC15-067)
Article History
Received: 18 November 2019
Accepted: 29 November 2019
First Online: 20 December 2019
Compliance with ethical standards
:
: No potential conflicts of interest relevant to this article were reported.
: The study has been reviewed by ethics committee and have been performed in accordance with the ethical standards laid down in an appropriate version of the 1964 Declaration of Helsinki.
: All persons gave their informed consent prior to their inclusion in the study.