Supported by the Key Project of the National Natural Science Foundation of China (No. 81830115). WANG Ying was also supported by the China Scholarship Council (No. 201606555023),Conflict of Interest,All authors have declared no potential conflicts of interest in this review.,Author Contributions,Wang Y and Han M did the research and analyzed the data. Wang Y and Liu JP designed the research. Wang Y and Pedigo CE wrote the manuscript. Xie ZM and Wang WJ revised the manuscript and provided content perspectives. All authors approved the final version of the manuscript.