[This corrects the article DOI: 10.2196/29726.].
©Paul Ritvo, David Gratzer, Yuliya Knyahnytska, Abigail Ortiz, Clarice Walters, Joel Katz, Judith Laposa, Christopher Baldissera, Noah Wayne, Donna Pfefer-Litman, George Tomlinson, Zafiris Daskalakis. Originally published in JMIR Research Protocols (https://www.researchprotocols.org), 21.04.2022.