Article History
Received: 14 December 2020
Accepted: 30 September 2021
First Online: 7 October 2021
Declarations
:
: The study was conformed to the ethical guidelines of the 1975 Declaration of Helsinki. The protocol was approved by the Institutional Review Board and Ethics Committee of The First Affiliated Hospital of Xi’an Jiaotong University on March 2018, and written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no conflict of interest.