Affiliation: | 1. Department of Respiratory and Critical Medicine of Beijing An Zhen Hospital, Capital Medical University, Beijing, China;2. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota;3. Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, Minnesota;4. Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota;5. Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota |