1. State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangdong Key Laboratory of Vascular Disease, Guangzhou Institute of Respiratory Health The First Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong China
2. Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine University of California San Diego, La Jolla CA USA
3. Division of Pulmonary and Critical Care Medicine The People's Hospital of Inner Mongolia Huhhot Inner Mongolia China