Corrigendum: Clinical characteristics and the role of IL-6 in acute-on-chronic liver failure patients with or without COVID-19: a multicenter paired cohort study - Yao, Ruoyu; Xu, Guofen; Fu, Xiujuan; Zhang, Wenrui; Wang, Han; Chen, Yu; Yao, Jia (Frontiers in Cellular and Infection Microbiology, 2025)