Funding for this research was provided by:
Sulaiman Al Rajhi Colleges (n/a)
Received: 18 October 2018
Accepted: 10 October 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: The Regional Ethical Committee of Al-Qassim and the administration of the BCH approved this study. The ethical committee did not require that we obtain informed consent from the patients since we examined archived medical records, had no direct contact with the patients, and ensured that the data collectors abstracted and recorded the patient data anonymously. Administrative permission was sought and obtained from the director of BCH to access the data.
: Not applicable.
: The authors declare that we received no support from any organization for the submitted work and that they had no financial relationships with any organization that might have an interest in the submitted work.