Received: 26 January 2021
Accepted: 20 April 2021
First Online: 29 April 2021
: This study was approved by the Medical Ethics Committee of Tongji Hospital (No. TJ-C20200132) and a waiver of informed consent was granted. Data collected from the study participants was kept anonymous and treated as confidential at all times.
: Not applicable.
: All authors declare no conflict of interest.