1. Department of Pulmonary and Critical Care Medicine; Chia-Yi Chang-Gung Memorial Hospital; Chang-Gung Medical Foundation; Chiayi Taiwan
2. Department of Respiratory Therapy; School of Medicine; Chang-Gung University; Taoyuan Taiwan
3. Department of Respiratory Therapy; Lin-Kou Chang-Gung Memorial Hospital; Chang-Gung Medical Foundation; Taoyaun Taiwan
4. Department of Pulmonary and Critical Care Medicine; Lin-Kou Chang-Gung Memorial Hospital; Chang-Gung Medical Foundation; Taoyaun Taiwan