[This corrects the article DOI: 10.2196/29873.].
©Kristjana Thorarinsdottir, Emily A Holmes, Johann Hardarson, Unnur Hedinsdottir, Marie Kanstrup, Laura Singh, Arna Hauksdottir, Thorhildur Halldorsdottir, Berglind Gudmundsdottir, Unnur Valdimarsdottir, Edda Bjork Thordardottir, Beau Gamble, Andri Bjornsson. Originally published in JMIR Formative Research (https://formative.jmir.org), 26.11.2021.