Funding for this research was provided by:
Forskningsrådet i Sydöstra Sverige (FORSS-751541)
ALF Region Östergotland (LIO-697991, LIO- 707011, and LIO-697461)
CKOC Region Östergötland (-)
Futurum, Academy for Health and Care Jönköping County Council (695491)
Swedish Cancer Society (-)
Sveriges Gastro-Onkologiska Förening (-)
Received: 2 December 2019
Accepted: 16 September 2020
First Online: 2 October 2020
Ethics approval and consent to participate
: The study was approved by the Regional Ethics Review Board in Linköping (diary number 2017/110–31). An exemption from informed consent from participating patients was granted based on the retrospective and non-interventional nature of the study.
: Not applicable.
: The authors report no conflicts of interest.