1. Department of Dermatology, the 181th Hospital of PLA, Guilin 541002, PR China,
2. Systems Biology Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA,
3. Department of Microbiology and Immunology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA,
4. Department of Infectious Diseases, Southwestern Hospital, Third Military Medical University, Chongqing 400038, PR China and
5. van Velkinburgh Initiative for Collaboratory BioMedical Research, Santa Fe, NM 87501, USA