1. Research Center for Biological Therapy, The Institute of Translational Hepatology, Beijing 302 Hospital, Beijing, China
2. Division of Allergy and Immunology, Department of Pediatrics, Thomas Jefferson University, Nemours/A.I. duPont Hospital for Children, Wilmington, Delaware
3. Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis School of Medicine, Davis, California