Succeeding with prolonged usage of consumer-based activity trackers in clinical studies: a mixed methods approach.
André HenriksenAnne-Sofie SandTrygve DeraasSameline GrimsgaardGunnar HartvigsenLaila HopstockPublished in: BMC public health (2020)
U.S. National Library of Medicine, Clinical Trial registry: NCT03807323 ; Registered 16 September 2019 - Retrospectively registered.