Funding for this research was provided by:
Einar och Inga Nilssons Stiftelse för Kirurgiforskning och Forskning inom Jordbruket
Stiftelserna Wilhelm och Martina Lundgrens
Received: 16 February 2021
Accepted: 18 August 2021
First Online: 28 August 2021
: All methods were performed in accordance with the Declaration of Helsinki and complied with relevant guidelines and regulations. This study was approved by the Ethics Committee for Clinical Research at Lund University, Sweden (2009/415). Informed consent (oral and written) was obtained from all participants in the study.
: Not applicable.
: The authors declare no conflicts of interest.