1. College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
2. Department of General Medicine, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
3. First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
4. Department of Respiration, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China