Author contributions
HY
KW assisted with study design and interpretation of the data, had full access to the study data, assumes responsibility for the integrity of the data and the accuracy of the analysis, and drafted the manuscript. ZN, KK, MY, TI, AK, TU, SM, NN, MK, and HY assisted with study design and interpretation of the data and edited the initial draft of the manuscript. IF and RK contributed to data collection and management. HK contributed to the categorization of patients with COVID-19. All authors read and approved the final manuscript.