Li, Zhong-En
Lu, Shi-Bao
Kong, Chao
Sun, Wen-Zhi
Wang, Peng
Zhang, Si-Tao
Funding for this research was provided by:
National Natural Science Foundation of China (81672201, 81871794)
Article History
Received: 1 July 2020
Accepted: 22 September 2020
First Online: 12 October 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study was reviewed and approved by the institutional review board following the declaration of Helsinki principles in Xuanwu Hospital Capital Medical University. The data collection process was entirely anonymous. The types of questions asked could not bring up any singular information that would make participants identifiable in the database and the results are presented in an aggregate manner.
: This study has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. No animals have been involved.
: A written informed consent was obtained from all participants of this study.
: Request for datasets generated and analyzed during the current study can be addressed to the corresponding author.