1. College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Changcheng Rd. #700, Qingdao, 266109, P. R. China
2. Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Yushan Rd. #5, Qingdao, 266003, P. R. China
3. Peking University science park, No. 127, North Street of Zhongguancun, Beijing, 100080, P. R. China
4. Hematology Diagnosis Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, 266003, P. R. China