Eriksson, Johan
Fowler, Philip
Appelblad, Micael
Lindholm, Lena
Sund, Malin
Funding for this research was provided by:
Västerbotten Läns Landsting
Umea University
Article History
Received: 17 February 2021
Accepted: 11 March 2022
First Online: 24 March 2022
Declarations
:
: This study was approved by the regional ethics committee in Northern Sweden (Reg. no. 2017/463-31). The Regional ethical review board of Umeå (now remodeled as the Swedish ethical review authority) waived the need for informed consent for the study.
: All our data collection and analytical methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: Apart from PF and MS, all authors are currently employed at the Cardiothoracic Surgery Department at Umeå University Hospital in Sweden, which is one of the studied departments. Author MS is part of the group of surgeons studied.