Zhou, Zhizi
Su, Xueying
Cai, Yanna
Ting, Tzer Hwu
Zhang, Wen
Lin, Yunting
Xu, Aijing
Mao, Xiaojian
Zeng, Chunhua
Liu, Li
Li, Xiuzhen
Funding for this research was provided by:
Medical Science and Technology Foundation of Guangdong Province (2017A02015111)
Article History
Received: 14 November 2021
Accepted: 24 December 2021
First Online: 18 January 2022
Declarations
:
: The study was approved by the ethics committee of the Guangzhou Women and Children’s Medical Center. Verbal consent was obtained from all participants. All respondents participated voluntarily and were informed that the survey data would be used for publication. The completion of the questionnaire means that the verbal consent is signed. The study does not involve individual privacy and it is not harmful to the individual. The procedures for verbal consent were approved by the ethics committee of the Guangzhou Women and Children’s Medical Center. Consent for publication Competing interests.
: All authors have read and approved the final submitted manuscript for publication.
: The authors declare that they have no competing interests.