1. National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Hammersmith Hospital, London, United Kingdom;
2. Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan;
3. Department of Haematology, University College London Cancer Institute, University College London, London, United Kingdom;
4. Division of Critical Care Medicine and Cardiovascular Pulmonary Research Laboratories, Department of Pediatrics and Medicine, University of Colorado, Denver, Colorado;
5. Max-Planck Institute for Heart and Lung Research, Member of German Center for Lung Research, Giessen, Germany; and
6. Institute of Molecular Biology and Tumor Research, Marburg, Germany