1. Department of Respiratory Medicine The First Hospital of Jilin University, Jilin University Changchun China
2. Department of Pulmonary and Critical Care Medicine, China‐Japan Friendship Hospital; National Center for Respiratory Medicine; Institute of Respiratory Medicine Chinese Academy of Medical Sciences; National Clinical Research Center for Respiratory Diseases Beijing China
3. Chinese Academy of Medical Sciences Graduate School of Peking Union Medical College Beijing China
4. Department of Radiology China‐Japan Friendship Hospital Beijing China