Received: 7 April 2021
Accepted: 7 October 2021
First Online: 23 November 2021
: This study was approved by Guangdong General Hospital, Guangdong Acedemy of Medical Sciences: Research Ethics Committee, No.GDREC2016358H. The need for informed consent is waived off by the Guangdong General Hospital, Guangdong Acedemy of Medical Sciences: Research Ethics Committee due to the retrospective nature of the study. We confirmed that all methods were performed in accordance with the relevant guidelines and regulations (Declaration of Helsinki).
: Not applicable.
: All authors stated no potential conflicts exist.