Affiliation: | 1. Department of Internal Medicine, Tufts Medical Center, Boston, MA;2. Department of Pulmonary, Critical Care and Sleep Medicine, Tufts Medical Center, Boston, MA;3. Department of Pulmonary Medicine and Critical Care, Sturdy Memorial Hospital, Attleboro, MA;1. Department of Emergency Medicine, Keck School of Medicine of the University of Southern California and the Los Angeles County + USC Medical Center, Los Angeles, California;2. Department of Emergency Medicine, Kaiser Permanente San Diego, San Diego, California;3. Department of Emergency Medicine, University of California San Francisco, San Francisco, California;1. Department of Pulmonary and Critical Care, Drexel University College of Medicine, Philadelphia, PA;2. Division of Thoracic Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA;1. Respiratory Medicine Department, Hanoi Medical University Hospital, Hanoi, Vietnam;2. Radiology Department, Hanoi Medical University Hospital, Hanoi, Vietnam;3. Surgery Department, Hanoi Medical University Hospital, Hanoi, Vietnam;4. Pathology Department, Hanoi Medical University Hospital, Hanoi, Vietnam;5. Visceral Surgery Department, Hanoi French Hospital, Hanoi, Vietnam;6. Respiratory Medicine Department, Hanoi French Hospital, Hanoi, Vietnam |