Funding for this research was provided by:
Linköping University
Article History
Received: 19 May 2021
Revised: 17 June 2021
Accepted: 24 June 2021
First Online: 15 August 2021
Declarations
:
: The study was approved by the Regional Ethical review board in Linköping (Dnr 2019/00474). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study, formal consent is not required and no written consent was obtained from the study participants. However, in accordance with Swedish legislation, all participants were informed that data regarding their operation is entered into the registry and could be used in clinical research, giving the patients the possibility to opt out of register.
: Torsten Olbers has received reimbursement unrelated to the submitted article from Johnson & Johnson (advisory board, educational activities, lecturer), NovoNordisk (advisory board, educational activities), Merck (lecturer), and Mölnlycke (lecturer). All reimbursement directed to his institution. Linda Sillén, Ellen Andersson, and David Edholm declare that they have no conflict of interest.