Wang, Liyan
Long, Haiyan
Zheng, Qinghua
Bo, Xiaotong
Xiao, Xuhua
Article History
Received: 25 January 2019
Accepted: 10 July 2019
First Online: 19 July 2019
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of Affiliated Hospital of Guilin Medical University.
: Consent was achieved from all patients.
: The authors declare that they have no competing interests.