1. Affiliated Hospital of Shandong Second Medical University, Shandong Second Medical University, Weifang 261035, Shandong, P. R. China
2. School of Pharmacy, Shandong Second Medical University, Weifang 261053, Shandong, P. R. China
3. School of Medical Laboratory, Shandong Second Medical University, Weifang 261053, Shandong, P. R. China