Erratum to: Amelioration of autoimmune arthritis by adoptive transfer of Foxp3-expressing regulatory B cells is associated with the Treg/Th17 cell balance. Issue 1 (December 2016) - Park, Mi-Kyung; Jung, Young; Lee, Seon-Yeong; Lee, Seung; Heo, Yu-Jung; Kim, Eun-Kyung; Oh, Hye-Jwa; Moon, Young-Mee; Son, Hye-Jin; Park, Min-Jung; Park, Sung-Hwan; Kim, Ho-Youn; et al.