Staaf, Karin
Fernström, Anders
Uhlin, Fredrik
Funding for this research was provided by:
Linköping University
Article History
Received: 9 January 2021
Accepted: 22 June 2021
First Online: 7 July 2021
Declarations
:
: The Swedish Ethical Review Authority (ref. 2019–02554) gave ethical approval. Swedish regulations require that patients shall be informed about participation in a registry by the clinic. Patients shall also be informed that they can choose not to participate in the registry. Informed consent is therefore not required.
: Not applicable.
: The authors declare that they have no competing interests.