Published on in Vol 7, No 10 (2019): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14534, first published
.
![Accuracy of the Multisensory Wristwatch Polar Vantage's Estimation of Energy Expenditure in Various Activities: Instrument Validation Study Accuracy of the Multisensory Wristwatch Polar Vantage's Estimation of Energy Expenditure in Various Activities: Instrument Validation Study](https://asset.jmir.pub/assets/ba6807e3b0f03a9b8acb53b59b57dca7.png 480w,https://asset.jmir.pub/assets/ba6807e3b0f03a9b8acb53b59b57dca7.png 960w,https://asset.jmir.pub/assets/ba6807e3b0f03a9b8acb53b59b57dca7.png 1920w,https://asset.jmir.pub/assets/ba6807e3b0f03a9b8acb53b59b57dca7.png 2500w)
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