Published on in Vol 11, No 7 (2022): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/38365, first published
.
![An Intervention to Increase Outdoor Play in Early Childhood Education Centers (PROmoting Early Childhood Outside): Protocol for a Pilot Wait-list Control Cluster Randomized Trial An Intervention to Increase Outdoor Play in Early Childhood Education Centers (PROmoting Early Childhood Outside): Protocol for a Pilot Wait-list Control Cluster Randomized Trial](https://asset.jmir.pub/assets/947a1e016ed6beac21f16bd852a55f05.png 480w,https://asset.jmir.pub/assets/947a1e016ed6beac21f16bd852a55f05.png 960w,https://asset.jmir.pub/assets/947a1e016ed6beac21f16bd852a55f05.png 1920w,https://asset.jmir.pub/assets/947a1e016ed6beac21f16bd852a55f05.png 2500w)
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