1. Department of Respiratory Medicine, The Second People's Hospital of Lianyungang, Lianyungang, Jiangsu 222023, P.R. China
2. Department of Oncology, The Affiliated Hospital of Nantong University, Dongtai, Jiangsu 224200, P.R. China
3. Department of Pharmacy, The Affiliated Hospital of Nantong University, Dongtai, Jiangsu 224200, P.R. China