1. Department of Pharmacy, Yan'an Hospital Affiliated to Kunming Medical University, Kunming, Yunnan 650051, P.R. China
2. Department of Respiratory Medicine, The Fourth Affiliated Hospital of Kunming Medical University, The Second People's Hospital of Yunnan Province, Kunming, Yunnan 650021, P.R. China
3. Department of Geriatrics, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
4. First Department of Respiratory Medicine, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, P.R. China