| Affiliation: | 1. Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts;2. Center of Comparative Effectiveness Research, National Center of Excellence for Clinical Trial and Research, National Taiwan University Hospital, Taipei, Taiwan;3. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan;4. Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan;5. Division of Pulmonary Medicine, Department of Internal Medicine, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan;6. Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan |
