[This corrects the article DOI: 10.2196/17922.].
©Julian Rössler, Alexander Kaserer, Benjamin Albiez, Julia Braun, Jan Breckwoldt, Donat Rudolf Spahn, Christoph Nöthiger, David Werner Tscholl. Originally published in JMIR Medical Education (http://mededu.jmir.org), 01.10.2020.