1. Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina, USA
2. Shandong Provincial Qianfoshan Hospital, the First Hospital Affiliated with Shandong First Medical University, Shandong, China
3. Department of Gastroenterology, Oncology Bioinformatics Center, Minhang Hospital, Fudan University, Shanghai, China
4. Shandong Provincial Hospital Pediatric Surgery, Shandong, China
5. Division of Infectious Diseases, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
6. Cell Processing Section, Department of Transfusion Medicine, Clinical Center, NIH, Bethesda, Maryland, USA
7. Department of Medicine, Division of Infectious Diseases, University of Alabama at Birmingham, Birmingham, Alabama, USA