Li, Juan
Li, Xiaozhe
Tong, Xiuzhen
Liu, Junru
Huang, Beihui
Chen, Meilan
Kuang, Lifen
Zhou, Zhenhai
Xu, Duorong
Article History
Received: 21 September 2017
Accepted: 2 March 2018
First Online: 15 March 2018
Compliance with ethical standards
: This study was approved by the clinical research and experimental animal ethics committees of the First Affiliated Hospital of Sun Yat-sen University, the Second Affiliated Hospital of Sun Yat-sen University, the First People’s Hospital of Foshan, and the Affiliated Hospital of Guilin Medical University. All patients gave written informed consent.
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.