1. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung, Taiwan
2. Department of Respiratory Therapy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
3. Chang Gung University College of Medicine, Kaohsiung, Taiwan
4. Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
5. Department of Senior High School, Li-Chih Valuable School, Kaohsiung, Taiwan