Sun, Xueshan
Zhen, Xuemei
Hu, Xiaoqian
Li, Yuanyuan
Gu, ShuYan
Gu, Yuxuan
Zhao, Zixuan
Yang, Wei
Dong, Hengjin http://orcid.org/0000-0002-5064-7297
Article History
Received: 8 December 2020
Accepted: 9 April 2021
First Online: 20 April 2021
Declarations
:
: This study was approved by the institutional review board of Zhejiang University School of Public health (No. 20180923).
: Not applicable. No individual person’s data contained.
: All authors have no relevant financial or other relationships to disclose.