1. Microbial-Bioinformatics, Regeneration and Advanced Medical Science; Gifu University Graduate School of Medicine; Gifu Gifu 500-8705 Japan
2. Institute of Nutrition and Food Hygiene; Chinese Academy of Preventive Medicine; 29 Nanwei Road 100050 Beijing China
3. Institute of Epidemiology and Microbiology; Chinese Academy of Army Medicine; 20 Dongdazhi Street 100021 Beijing China