Wang, Hongmei http://orcid.org/0000-0002-4219-4531
Lv, Shihai
Diao, Zhaoyan
Wang, Baolu
Zhang, Han
Yu, Caihong
Funding for this research was provided by:
china hbgy (201509040)
Article History
Received: 28 August 2017
Accepted: 20 March 2018
First Online: 12 April 2018
Compliance with ethical standards
:
: This study has been approved by Erlianhaote CDC agency, with the number 201601. All volunteers were administered on the condition that informed consents were signed.
: All detail materials were provided in supplement materials. If there is a query, please contact the author for data requests.
: Not applicable.
: The authors declare that they have no competing interests.