Published on in Vol 5 , No 1 (2021) :January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22041, first published
.

1 Code for Nonprofit Inc, Novi, MI, US
2 Heartfulness Program for Schools, Heartfulness Institute, Novi, MI, US
3 Code for Nonprofit Inc, Austin, TX, US
*all authors contributed equally