1. Graduate Institute of Nursing; College of Nursing; Taipei Medical University; Taipei Taiwan
2. Division of Pulmonary and Critical Care; Tri-Service General Hospital; National Defense Medical Center; Taipei Taiwan
3. School of Health Care and Administration; College of Public Health and Nutrition; Taipei Medical University; Taipei Taiwan
4. School of Public Health; College of Public Health and Nutrition; Taipei Medical University; Taipei Taiwan