1. State Key Laboratory of the Agro-Biotechnology; College of Biological Sciences; China Agricultural University; Beijing China
2. Department of General Surgery; The 301th Hospital of PLA; Beijing China
3. Department of Pathology; University of Michigan Medical School; Ann Arbor MI USA
4. CAS Key Laboratory of Pathogenic Microbiology and Immunology; Institute of Microbiology; Chinese Academy of Sciences Beijing; China
5. The University of Texas Health Science Center at San Antonio Department of Cellular and Structural Biology; San Antonio TX USA