1. MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, United Kingdom;
2. Beijing You An Hospital, Capital Medical University, Beijing, People's Republic of China;
3. Beijing Ditan Hospital, Capital Medical University, Beijing, People's Republic of China;
4. Centre for Clinical Immunology and Biomedical Statistics, Institute for Immunology and Infectious Diseases, Murdoch University and Royal Perth Hospital, Perth, Australia; and
5. School of Anatomy and Human Biology and Centre for Forensic Science, University of Western Australia, Perth, Australia