Funding for this research was provided by:
Postgraduate Research & Practice Innovation Program of Jiangsu Province (No. KYLX16_0303 and KYLX15_0095)
The Youth Fund of the MOE for Humanities and Social Sciences Research (19YJCZH080)
The Fundamental Research Funds for the Central Universities (2242019K40063)
Received: 14 May 2019
Accepted: 3 March 2020
First Online: 23 March 2020
Ethics approval and consent to participate
: All procedures performed in this study involving human participation were with ethics approval from the Temporary Ethics Committee, School of Civil Engineering, Southeast University. All the participants were informed about the purpose of the study and their right to refuse participation or terminate their involvement during the study and informed consent were obtained.Participants of this study were requested to provide written informed consent before participation.
: Not applicable.
: The authors declare that they have no competing interests.