Funding for this research was provided by:
Västra Götalandsregionen (ALFGBG428161)
Felix Neuberg stiftelse (.)
Göteborgs Läkaresällskap (.)
Article History
Received: 25 July 2018
Accepted: 4 October 2018
First Online: 16 October 2018
Ethics approval and consent to participate
: The study was approved by the regional ethical review board in Gothenburg, Sweden (reference number: 104-11). All study participants gave their oral and written informed consent.
: Not applicable
: The authors declare that they have no competing interests.
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