Blast Injuries; Explosions; Intubation, Intratracheal; Lung Injury; Positive-Pressure Respiration/methods; Terrorism; Adolescent; Adult; Aged; Blast Injuries/complications; Blast Injuries/diagnostic imaging; Blast Injuries/therapy; Child; Child, Preschool; Female; Follow-Up Studies; Humans; Hypoxia/etiology; Hypoxia/mortality; Hypoxia/therapy; Length of Stay; Male; Middle Aged; Radiography, Thoracic; Respiratory Distress Syndrome/etiology; Respiratory Distress Syndrome/mortality; Respiratory Distress Syndrome/therapy; Retrospective Studies; Survival Rate; Time Factors; Tomography, X-Ray Computed; Trauma Severity Indices; Treatment Outcome