1 Department of Immunology, Harvard Medical School, Boston, United States of America.
2 Laboratory of Molecular Genetics, Howard Hughes Medical Institute, Rockefeller University, New York, United States of America.
3 Department of Medicine, Division of Pulmonary and Critical Care Medicine, Weill Cornell Medicine, New York, United States of America.
4 Laboratory of Comparative Pathology, Memorial Sloan Kettering Cancer Center, New York, United States of America.
5 Department of Internal Medicine, Division of Pulmonary and Critical Care, University of Texas Southwestern Medical Center, Dallas, United States of America.