Corrigendum: The Therapeutic Effect of Huo Xue Tong Luo Capsules in Association Research Circulation Osseous (ARCO) Stage II Osteonecrosis of the Femoral Head: A Clinical Study With an Average Follow-up Period of 7.95 Years - He, Xiao-Ming; He, Min-Cong; Yang, Peng; Zhang, Qing-Wen; Chen, Zhen-Qiu; He, Wei; Wei, Qiu-Shi (Frontiers in Pharmacology, 2022)