1. College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
2. Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
3. Department of Respiratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
4. Department of Integrated Chinese and Western Medicine, The First People’s Hospital of Zigong City, Zigong, Sichuan, China