1. Key Laboratory of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
2. State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
3. School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China