s://doi.org/10.1371/journal.pone.0160644" class="uri">https://doi.org/10.1371/journal.pone.0160644</a></p>
</div>
<div id="ref-Dasilva2014">
<p>Da silva, I. C., Van Hees, V. T., Ramires, V. V., Knuth, A. G., Bielemann, R. M., Ekelund, U., … Hallal, P. C. (2014). Physical activity levels in three Brazilian birth cohorts as assessed with raw triaxial wrist accelerometry. <em>International Journal of Epidemiology</em>. <a href="https://doi.org/10.1093/ije/dyu203" class="uri">https://doi.org/10.1093/ije/dyu20