. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Contemp Clin Trials Commun. 2017 Aug 18;8:11–17. doi: 10.1016/j.conctc.2017.08.011
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/).
Fig. 1.
FitBit Blaze PA monitoring device.