Received: 24 September 2020
Accepted: 5 January 2021
First Online: 22 January 2021
Ethics approval and consent to participate
: The clinical data and laboratory information were retrospectively obtained from patient medical records. Ethics approval was obtained from KFSHRC Institutional Review Board in Riyadh, Saudi Arabia. Informed consent was not required because of the retrospective cohort design of this study, lack of patient intervention and all patients' data were de-identified.
: Not applicable.
: The authors declare that they have no conflicts of interest.