[This corrects the article DOI: 10.2196/29123.].
©Arash Naeim, Sarah Dry, David Elashoff, Zhuoer Xie, Antonia Petruse, Clara Magyar, Liliana Johansen, Gabriela Werre, Clara Lajonchere, Neil Wenger. Originally published in JMIR Formative Research (https://formative.jmir.org), 21.10.2021.