1Biodynamic Optical Imaging Center, Peking University, Beijing 100871, China.
2Department of Biological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24060, USA
3State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, 20 Dong-Da Street, Fengtai District, Beijing 100071, China
4Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA 24060, USA
5Beijing Computational Science Research Center, Beijing 100084, China