Hu, Haiyan
Jian, Weiyan
Fu, Hongqiao
Zhang, Hao
Pan, Jay
Yip, Winnie
Article History
Received: 4 March 2021
Accepted: 1 July 2021
First Online: 18 July 2021
Declarations
:
: The Medical Ethics Committee of Sichuan University approved this study (Number: K2019012), and all methods were performed in accordance with the relevant guidelines and regulations. Informed consent was obtained from all subjects before the interview.
: Not applicable.
: The authors declare that they have no competing interests.