Article History
Received: 22 March 2020
Accepted: 15 July 2020
First Online: 28 July 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: The study was approved by the Regional Ethical Review Board of Uppsala, Sweden (ref: 2016/191).
: All participants gave their verbal and written consent before surgery, and a new written consent form was sent together with the questionnaire one year after surgery. The data were treated with full confidentiality.