Liu, Wei
He, Jian-zhong
Wang, Shao-hong
Liu, De-kai
Bai, Xue-feng
Xu, Xiu-e
Wu, Jian-yi
Jiang, Yong
Li, Chun-quan
Chen, Long-qi
Li, En-min
Xu, Li-yan
Article History
Received: 23 January 2018
Revised: 26 March 2018
Accepted: 3 April 2018
First Online: 16 May 2018
Competing interest
: The authors declare no competing interest.
: Ethical approval was obtained from the ethical committee of the Central Hospital of Shantou City and the ethical committee of the Medical College of Shantou University.