1. Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China
2. College of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, PR China
3. College of Life Science and Chemistry, Xinjiang Normal University, Urumchi 830054, PR China
4. Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, PR China