Article History
Received: 11 December 2020
Accepted: 16 April 2021
First Online: 28 April 2021
Declarations
:
: The authors do not have any relevant conflicts of interest to disclose.
: This study involved the retrospective review of publically available databases. Therefore, ethics approval and patient consent was not required. However, this study was conducted in accordance with ethical standards of the institution, and standard research ethical practices in the USA.