Zou, Shao-hui
Liu, Yuan
Zheng, Ai-bing
Huang, Zhi
Article History
Received: 2 April 2020
Accepted: 24 March 2021
First Online: 9 April 2021
Declarations
:
: The written informed consent for participation in the study was obtained from their guardian before the interview. The project was approved by the ethics committee of Hunan University of Medicine.
: Not applicable.
: The authors declare that they have no competing interests.