Lin, Xiaozhe
Cheng, Bizhen
Cai, Yingmu
Jiao, Xiaoyang
Yang, Xinran
Zhang, Qiaoxin http://orcid.org/0000-0003-3465-8196
Wang, Yongni
Article History
Received: 11 July 2018
Accepted: 4 March 2019
First Online: 5 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was performed under the Institutional Review Board approvals from The First Affiliated Hospital of Shantou University Medical College and conducted in accordance with the Declaration of Helsinki. Written informed consents had been obtained from all patients and controls.