1 Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
2 Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
3 Department of Microbiology and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
4 Institute of Molecular Biology and Tumour Research, Philipps University Marburg, Universität Marburg, Marburg, Germany.
5 Jesse Brown Veterans Affairs Medical Center, Chicago, Illinois, USA.
6 Ben May Department for Cancer Research, The University of Chicago, Chicago, Illinois, USA.
7 State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China.
8 Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA. jing@northwestern.edu.