1. School of Respiratory Therapy, College of Medicine Taipei Medical University Taipei Taiwan
2. Department of Respiratory Therapy Chang Gung Memorial Hospital Chiayi Taiwan
3. Department of Microbiology and Immunology, School of Medicine, College of Medicine Taipei Medical University Taipei Taiwan
4. Graduate Institute of Medical Sciences, College of Medicine Taipei Medical University Taipei Taiwan
5. Pulmonary Research Center, Wan Fang Hospital Taipei Medical University Taipei Taiwan