. 2019 Feb 6;21(2):e10362. doi: 10.2196/10362
©Ina Thon Aamodt, Edita Lycholip, Jelena Celutkiene, Anna Strömberg, Dan Atar, Ragnhild Sørum Falk, Thomas von Lueder, Ragnhild Hellesø, Tiny Jaarsma, Irene Lie. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 06.02.2019.
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