1. State Key Laboratory of Food Science and TechnologyJiangnan University Wuxi 214122 P. R. China
2. School of Food Science and TechnologyJiangnan University Wuxi 214122 P. R. China
3. School of MedicineJiangnan University Wuxi 214122 P. R. China
4. College of Animal Science and TechnologyJilin Agricultural University Changchun 130118 P. R. China
5. Department of SurgeryUniversity of California Irvine Orange CA 92868 USA
6. Division of Clinical MicrobiologyDepartment of Laboratory MedicineKarolinska InstituteKarolinska University Hospital 17177 Stockholm Sweden
7. Division of Medical BiologyDepartment of Pathology and Medical BiologyUniversity of GroningenUniversity Medical Center Groningen 9713 GZ Groningen The Netherlands