Zeng, Yingchun
Cheng, Andy S. K.
Song, Ting
Sheng, Xiujie
Cheng, Huaidong
Qiu, Yingwei
Xie, Jianfei
Chan, Chetwyn C. H.
Funding for this research was provided by:
National Natural Science Foundation of China (81872504)
Article History
Received: 5 August 2018
Accepted: 3 April 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: The present study was approved by the ethics committee of The Hong Kong Polytechnic University and the Third Affiliated Hospital of Guangzhou Medical University. All research participants joined this study voluntarily and provided written informed consent. All procedures performed in this study involved human subjects in accordance with the ethical standards of the ethics committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.