1. State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Science & Biotechnology, Shanghai Jiao Tong University , Shanghai 200240 , China
2. Department of Pharmacology, Yale University School of Medicine , New Haven , CT 06511 , USA
3. Department of Immunobiology, Yale University School of Medicine , New Haven , CT 06511 , USA