1. Department of Pulmonary Circulation; Shanghai Pulmonary Hospital Affiliated to Tongji University; Shanghai China
2. Department of Pulmonary Function Test; Shanghai Pulmonary Hospital Affiliated to Tongji University; Shanghai China
3. State Key Laboratory of Cardiovascular Disease; Heart-Lung Function Testing Center; Fuwai Hospital; National Center for Cardiovascular Diseases; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China