©Arne Mueller, Holger Alfons Hoefling, Amir Muaremi, Jens Praestgaard, Lorcan C. Walsh, Ola Bunte, Roland Martin Huber, Julian Fürmetz, Alexander Martin Keppler, Matthias Schieker, Wolfgang Böcker, Ronenn Roubenoff, Sophie Brachat, Daniel S. Rooks, Ieuan Clay. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 27.11.2019.
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