1. Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, Taiwan
2. Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan
3. Department of Family Medicine, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
4. Department of Internal Medicine, Linkou Chang Gung Memorial Hospital, Tao-Yuan, Taiwan
5. Center for Innate Immunity and Immune Disease, Department of Immunology, University of Washington, Seattle, Washington, USA