1. School of Pharmacy, Shandong University of Traditional Chinese Medicine, No. 4655, University Road, University Science Park, Changqing District, Jinan 250355, Shandong Province, P. R. China
2. School of Pharmacy, Jining Medical College, No. 669, Xueyuan Road, Donggang District, Rizhao 276826, Shandong Province, P. R. China