[This corrects the article DOI: 10.2196/jmir.9925.].
Keywords: acceptance; adherence; chronic pain; eHealth; randomized controlled trial; uptake.
©Jiaxi Lin, Bianca Faust, David Daniel Ebert, Lena Krämer, Harald Baumeister. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 06.02.2019.