1. Department
of Biochemistry and Molecular Biology, Medical University of South Carolina, Charleston, South Carolina 29425, United States
2. Institute
of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
3. Department
of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South Carolina 29425, United States
4. Department of Microbiology & Immunology, Medical University of South Carolina, Charleston, South Carolina 29425, United States