Corrigendum: Dendrobium officinale Orchid Extract Prevents Ovariectomy-Induced Osteoporosis In Vivo and Inhibits RANKL-Induced Osteoclast Differentiation In Vitro - Wang, Qi; Zi, Cheng-Ting; Wang, Jing; Wang, Yu-Na; Huang, Ye-Wei; Fu, Xue-Qi; Wang, Xuan-Jun; Sheng, Jun (Frontiers in Pharmacology, 2020)