Funding for this research was provided by:
Stiftelsen Promobilia (.)
the Swedish Science Counsil (VR2017-00946)
the Swedish state under the agreement between the Swedish government and the county councils, the ALF agreement (ALFGBG-718711)
Text and Data Mining valid from 2020-01-07
Received: 10 July 2019
Accepted: 22 December 2019
First Online: 7 January 2020
Ethics approval and consent to participate
: The SALGOT study was approved by the regional ethical review board in Gothenburg (Dnr 225–08 and T801–10) and followed the Helsinki declaration. The follow-up postal survey was approved in 2013 (Dnr 400–13). The data in the present study is anonymized and non-identifiable. No written or verbal consent were obtained, but information was given about the purpose of the follow-up postal survey and that participation was voluntary. Participants could choose to answer all or some of the questions.
: Not applicable.
: The authors declare that they have no competing interests.