1. School of Pharmacy, Weifang Medical University, Weifang, 261053 Shandong, P. R. China
2. Department of Urology, Affiliated Hospital of Weifang Medical University, School of Clinical Medicine, Weifang Medical University, Weifang, 261053 Shandong, P. R. China
3. Department of Cardiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P. R. China
4. Department of Respiratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing 21002, China
5. Department of Respiratory Medicine, The First Affiliated Hospital of Weifang Medical University (Weifang People’s Hospital), Weifang, Shandong 261031, P. R. China