Funding
Open access funding provided by UiT The Arctic University of Norway (incl University Hospital of North Norway) This research was funded by Ekhagastifstelsen grant number 2019–67, and by Sjöbergstiftelsen grant number 2021–01-14:13. Other (in-kind) financial contributions to the study were provided for by the responsible research body Mid Sweden University (Sundsvall, Sweden) and collaborating research partner National Research Center in Complementary and Alternative Medicine (NAFKAM) (Tromsø, Norway).