Shen, Yang https://orcid.org/0000-0003-0078-3415
Zhang, Xudong
Chen, Cai
Lin, Qianqian
Li, Xiyuan
Qu, Wenxiu
Liu, Xuejian
Zhao, Li
Chang, Shijie
Article History
Received: 6 September 2020
Accepted: 1 December 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: The authors declare they have no conflict of interest.
: This study needs not ethical approval for that no patient participated in this study, and the personal information about patients were fully protected, because the information collected in this study contains admission date, gender, age, date of discharge, place of residence, admission number, and did not include patient’s name and ID number.
: All authors consent to publish this article in Environmental Science and Pollution Research.