Erratum to "Clinical efficacy and safety of Xuanfei Touxie Fang as a complementary medicine in the treatment of SARS-CoV-2 Omicron variant: A retrospective study" [Pharmacological Research - Modern Chinese Medicine 11C (2024) /100434] - Qingyuan Zhu; Baizhu Chen; Huixi Tong; Xiangyu Xu; Dongxiao Yang; Shuiyou Wang (Elsevier, 2024)