Luo, Shijian
Li, Huiqing
Mo, Zhihuai
Lei, Junjie
Zhu, Lingjuan
Huang, Yanxia
Fu, Ruying
Li, Chunyi
Huang, Yihuan
Liu, Kejia
Chen, Wenli
Zhang, Lei
Article History
Received: 9 August 2018
Revised: 25 October 2018
Accepted: 19 November 2018
First Online: 25 March 2019
Conflict of interest
: 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 Fifth Affiliated Hospital of Sun Yat-sen University committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.