Article History
Received: 16 May 2021
Accepted: 3 July 2021
First Online: 25 July 2021
Declarations
:
: The authors have no conflicts of interest to declare.
: The present study complies with the guidelines for human studies. The research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki. The Institutional Review Board of our hospital approved this retrospective study and the requirement of informed consent was waived.