1. Epigenetics Drug Discovery Center, Hwalmyeong Convalescence Hospital, Gyeonggi 12458, P.R. China
2. College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, P.R. China
3. Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup‑si, Jeonbuk 56216, Republic of Korea