1. From the Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, China (H.L., J.T., J.Y., S.L., W.-P.L., C.Z., Z.-J.C.); Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, China (H.L., J.T., J.Y., S.L., W.-P.L., C.Z., Z.-J.C.); and Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, China (C.Z.).