Corrigendum: Variable Late Holocene 14C Reservoir Ages in Lake Bosten, Northwestern China - Zhou, Kang’en; Xu, Hai; Lan, Jianghu; Yan, Dongna; Sheng, Enguo; Yu, Keke; Song, Yunping; Zhang, Jin; Fu, Pingqing; Xu, Sheng (Frontiers in Earth Science, 2020)