Funding for this research was provided by:
King Fahad Medical City (20-022)
Received: 25 November 2020
Accepted: 2 June 2021
First Online: 14 June 2021
: The institutional review board at King Fahad Medical City reviewed and approved the study protocol (IRB Log No. 20–160). Informed consent to participate was not required and was waived by IRB since only anonymized left‐over specimens were retrospectively obtained without any personally identifiable information. All methods in the study were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.