Ethical Statement:
Study was approved by the Institutional Review Board (IRB) at King Faisal Specialist Hospital & Research Centre, Jeddah, Saudi Arabia. Informed consenting requirement was waived by the IRB, as the study design is a retrospective chart-review study with no direct interaction with the human subjects. Data collected during the study conduct was de-identified maintaining privacy and confidentiality of human subjects. Additionally, the authors declare that they have no conflict of interest.