Han, Yanyan
He, Guanglin
Gong, Sheng
Chen, Junying
Jiang, Zhigang
Chen, Pengyu http://orcid.org/0000-0002-3706-103X
Article History
Received: 27 March 2018
Accepted: 24 May 2018
First Online: 30 May 2018
Compliance with ethical standards
: This study had been approved by the institutional review boards at Zunyi Medical University. Informed consent was obtained from volunteers before sample collection.
: The authors declare that they have no competing interests.