Multimorbidity and co-occurring musculoskeletal pain do not modify the effect of the SELFBACK app on low back pain-related disability.
Cecilie Krage ØveråsTom I L NilsenBarbara I NichollGuy RughaniKaren WoodKaren SøgaardFrances S MairJan HartvigsenPublished in: BMC medicine (2022)
NCT03798288 . Date of registration: 9 January 2019.