Funding for this research was provided by:
Forskningsrådet om Hälsa, Arbetsliv och Välfärd (2014-00936)
Received: 30 October 2019
Accepted: 29 June 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: This study was approved by the regional ethical review board in Gothenburg, Sweden (Dnr: 125–15; T131–17). Registered at ClinicalTrials.gov (Identifier: NCT02480855).Consent to participate: Prior to the inclusion, and after receiving oral and written information about the study, each participating patient gave informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.