1. Department of Pharmacy, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
2. Department of Neurology, Weifang Brain Hospital, Weifang, Shandong 261000, P.R. China
3. Department of Respiratory Medicine, Weifang People's Hospital, Weifang, Shandong 261041, P.R. China