A Patient Self-Checkup App for COVID-19: Development and Usage Pattern Analysis

JoonNyung Heo   ^{1 *} , MD ;   MinDong Sung   ^{2 *} , MD ;   Sangchul Yoon   ^{3, 4 *} , MD, PhD ;   Jinkyu Jang   ⁵ , PhD ;   Wonwoo Lee   ⁶ , MD ;   Deokjae Han   ⁷ , MD ;   Hyung-Jun Kim   ⁷ , MD ;   Han-Kyeol Kim   ⁶ , MD ;   Ji Hyuk Han   ⁸ , MD, MPH ;   Woong Seog   ¹ , MD ;   Beomman Ha   ¹ , MD ;   Yu Rang Park   ² , PhD

¹ Armed Forces Medical Command, Seongnam, Republic of Korea

² Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea

³ Department of Medical Humanities and Social Sciences, Yonsei University College of Medicine, Seoul, Republic of Korea

⁴ Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Republic of Korea

⁵ Companoid Labs, Yonsei University, Seoul, Republic of Korea

⁶ Department of Neurology, Yonsei University College of Medicine, Seoul, Republic of Korea

⁷ Department of Internal Medicine, The Armed Forces Capitol Hospital, Seongnam, Republic of Korea

⁸ Department of Otorhinolaryngology, The Armed Forces Capitol Hospital, Seongnam, Republic of Korea

*these authors contributed equally