Corrigendum to "A two-herb formula inhibits osteoclastogenesis and suppresses NF-kB and MAPK pathways" [Journal of Ethnopharmacology 252 (2020) 112, 625]. (30th January 2021) - Chen, Ying-Jie; Bai, Lu; Wu, Jia-Ying; Liu, Yu-Xi; Fu, Xiu-Qiong; Zhu, Pei-Li; Li, Jun-Kui; Yin, Cheng-Le; Chou, Ji-Yao; Wang, Ya-Ping; Wu, Ying; Bai, Jing-Xuan; et al.