[This corrects the article DOI: 10.2196/15419.].
©Zhao Ni, Namratha Atluri, Ryan J Shaw, Jingru Tan, Kinza Khan, Helena Merk, Yunfan Ge, Shrinkhala Shrestha, Abha Shrestha, Lavanya Vasudevan, Biraj Karmacharya, Lijing L Yan. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 11.06.2020.