Acknowledgement

This human practice project could not be finished without the help and support of many people. We really appreciate students and PIs who support our work and spent time filling in questionnaires. We are also grateful to those professors and experts who provided instructions to us. What’s more, we wish to extend thanks to Prof. Yi Ping Wang, Prof. Feng Shao, Prof. Li Lin Du and Prof. Wen Hui Li, for not only warmly welcoming our visit to their laboratories but also receiving our interview with impressive point of views. Special thanks should go to Mr. Yong Zhong Ning, his professional and invaluable suggestions are indispensable to the completion of this essay. Last but not least, we are thankful to all our team members for their dedication and encouragement.