Hu, Xin
Sun, Mei
Tang, Siyuan
Lommel, Lisa L.
Article History
Received: 5 May 2020
Accepted: 17 September 2021
First Online: 28 September 2021
Declarations
:
: The institutional Review Board of Central South University reviewed and approved the study protocol (2017036). The ethics committee approved the procedure for verbal consent because the survey did not involve invasive questioning. Additionally, considering the educational level of some participants, written consent may have been difficult for them to complete.
: Not applicable.
: The authors declare that they have no competing interests.