Liu, Wenwei
Lyu, Tongzhou
Zhang, Xiaoyi
Yuan, Suwei
Zhang, Huimin
Funding for this research was provided by:
China Postdoctoral Science Foundation (2019M661537)
Philosophy and Social Science Foundation of Shanghai (2019EZZ003)
Article History
Received: 12 February 2020
Accepted: 28 June 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: School of International and Public Affairs of Shanghai Jiao Tong University approved this study. Written and verbal consent of participants in the economic valuation project were obtained prior to the interview.
: Not applicable.
: The authors declare that they have no competing interests.