1. State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People’s Republic of China
2. Analytical Instrumentation Center, State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, People’s Republic of China
3. College of Life Sciences, Qufu Normal University, Qufu, People’s Republic of China
4. School of Molecular Biosciences, Washington State University, Pullman, Washington, USA