Gao, Peng-fei
Lin, Jing-yan
Wang, Shun
Zhang, Yun-feng
Wang, Guo-qiang
Xu, Qi
Guo, Xiao
Article History
Received: 30 April 2020
Accepted: 14 September 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Affiliated Hospital of North Sichuan Medical College [2019ER(R) 074–01] and was registered at the Chinese Clinical Trials Registry (ChiCTR1900024596). Permission to access the data was obtained from the hospital management. Written informed consent was obtained from each patient.
: Not applicable.
: The authors declare that they have no competing interests.