1. Department of Respiratory and Critical Care Medicine Zhangzhou Affiliated Hospital of Fujian Medical University Zhangzhou China
2. Department of Respiratory and Critical Care Medicine the First Affiliated Hospital of Fujian Medical University Fuzhou China
3. Department of Laboratory Medicine Zhangzhou Affiliated Hospital of Fujian Medical University Zhangzhou China
4. Fujian Provincial Sleep‐disordered Breathing Clinic Center Fuzhou China
5. Laboratory of Respiratory Disease of the Fujian Medical University Fuzhou China