1. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA; Division of Global Health Equity, Brigham and Women's Hospital, Boston, Massachusetts, USA; Infectious Disease Unit, Massachusetts General Hospital,
Boston, Massachusetts, USA
2. Respiratory Epidemiology Unit, Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
3. Department of Community Health, Mennonite Christian Hospital, Hualien, Taiwan; Graduate Institute of Epidemiology, National Taiwan University, Taipei, Taiwan; International Union Against Tuberculosis and Lung Disease, Paris, France