1. National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
2. Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, P. R. China
3. Center for Biological Imaging, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
4. Department of Mechanical Engineering, Faculty of Engineering, National University of Singapore, Singapore 117576, Singapore
5. Department of Chinese Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou 510632, China