1. State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Institute of Interdisciplinary Studies, Hunan Normal University, Changsha 410081, P. R. China
2. Central Laboratory & Shenzhen Key Laboratory of Epigenetics and Precision Medicine for Cancers, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, P. R. China