Funding for this research was provided by:
Lund University
Article History
Received: 27 June 2019
Accepted: 30 August 2019
First Online: 4 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed were in accordance with the Swedish law on the ethics trial of research made on human subjects (SFS 2003:460) and were approved by the regional research ethics committee (ethics committee of Lund University, 2017/1002).