Yu, Lei https://orcid.org/0000-0002-1610-9479
Wen, Yingfen
Xiang, Mengrong
Hong, Wenxin
Zhao, Lingzhai
Zhang, Fuchun
Article History
Received: 25 April 2019
Accepted: 18 November 2019
First Online: 14 January 2020
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.
: The study was approved by the Ethical Committee of the Guangzhou Eighth People’s Hospital (20131224). The samples were collected and used in strict accordance with relevant guidelines and regulations.