Corrigendum: A Requirement of Protein Geranylgeranylation for Chemokine Receptor Signaling and Th17 Cell Function in an Animal Model of Multiple Sclerosis - Swan, Gregory; Geng, Jia; Park, Eunchong; Ding, Quanquan; Zhou, John; Walcott, Ciana; Zhang, Junyi J.; Huang, Hsin-I.; Hammer, Gianna; Wang, Donghai (Frontiers in Immunology, 2021)