Wu, Fang
Yin, Houfa
Chen, Xinyi
Yang, Yabo
Article History
Received: 12 December 2019
Accepted: 6 March 2020
First Online: 17 March 2020
Ethics approval and consent to participate
: This study followed the tenets of the Declaration of Helsinki and was approved by the Ethics Committee of the Second Affiliated Hospital of Zhejiang University. Written informed consent was obtained from the subjects before participating in this study.
: Not applicable
: The authors declare that they have no competing interests.