1. Respiratory Medicine Unit, Department of Medicine & Centre for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
2. The First Hospital of Lanzhou University, Lanzhou, China
3. Heart and Lung Centre, Department of Pulmonary Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
4. The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
5. School of Biomedical Engineering, School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, China
6. Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, China
7. Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China