1 Department of Surgical and Perioperative Sciences, Surgery, Sunderby Research Unit, Umeå University, Daniel Naezéns väg, 90185, Umeå, Sweden. viktor.holmdahl@umu.se.
2 Department of Plastic and Reconstructive Surgery, Karolinska University Hospital, MK1 Karolinska Institute, Stockholm, Sweden.
3 Department of Clinical Science and Education Södersjukhuset, Karolinska Institute, Stockholm, Sweden.
4 Department of Surgery, Södersjukhuset, Stockholm, Sweden.
5 Department of Surgical and Perioperative Sciences, Surgery, Umeå University, Umeå, Sweden.