Correction: PCGF6-PRC1 suppresses premature differentiation of mouse embryonic stem cells by regulating germ cell-related genes - Mitsuhiro Endoh; Takaho A Endo; Jun Shinga; Katsuhiko Hayashi; Anca Farcas; Kit-Wan Ma; Shinsuke Ito; Jafar Sharif; Tamie Endoh; Naoko Onaga; Manabu Nakayama; Tomoyuki Ishikura; et al. (eLife, 2017)