Li, Zheng-Teng
Zhai, Rui
Liu, Hong-Mei
Wang, Min
Pan, Dong-Mei
Article History
Received: 9 September 2019
Accepted: 13 January 2020
First Online: 31 January 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Jining No.1 People’s Hospital and informed written consent had been obtained from all of the patients.
: Not applicable.
: The authors declare that they have no competing interests.