1 Institute of Laboratory Animal Sciences, Chinese Academy of Medical, Sciences (CAMS) & Comparative Medicine Center, Peking Union Medical, Collage (PUMC), Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Beijing, China.
2 Institute of Laboratory Animal Sciences, Chinese Academy of Medical, Sciences (CAMS) & Comparative Medicine Center, Peking Union Medical, Collage (PUMC), Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Beijing, China. qinchuan@pumc.edu.cn.