Corrigendum: The Role of Estrogen Membrane Receptor (G Protein-Coupled Estrogen Receptor 1) in Skin Inflammation Induced by Systemic Lupus Erythematosus Serum IgG - Cai, Zhenming; Xie, Changhao; Qiao, Wei; Fei, Xibin; Guo, Xuanxuan; Liu, Huicheng; Li, Xiaoyan; Fang, Xiang; Xu, Guangqiong; Dou, Hui; Deng, Guo-Min (Frontiers in Immunology, 2018)