Funding for this research was provided by:
Xiangya Famous Doctors of Central South University (201468)
Received: 9 September 2020
Accepted: 13 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: The study was reviewed and approved by the Ethics Committee of the Second Xiangya Hospital, Central South University and a written informed consent was signed by each patient.
: The informed consent obtained from study participants.
: The authors declare that they have no competing interests.