Corrigendum: Berberine Improves Benign Prostatic Hyperplasia via Suppression of 5 Alpha Reductase and Extracellular Signal-Regulated Kinase in Vivo and in Vitro - Youn, Dong-Hyun; Park, Jinbong; Kim, Hye-Lin; Jung, Yunu; Kang, JongWook; Lim, Seona; Song, Gahee; Kwak, Hyun Jeong; Um, Jae-Young (Frontiers in Pharmacology, 2019)