1. The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250014, P.R. China
2. Department of Nutrition, Qingdao Traditional Chinese Medicine Hospital (Qingdao Hiser Hospital), Qingdao, Shandong 266033, P.R. China
3. Department of Community Management, The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250001, P.R. China
4. Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, P.R. China
5. Department of Respiratory Diseases, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China