Received: 28 January 2019
Accepted: 1 July 2019
First Online: 17 July 2019
Ethics approval and consent to participate
: No need for informed consent because the used data was aggregation of secondary data. However, all the data received from the SCR were anonymus just with coded number and without any link to patient’s identity.The proposal of this study was approved by the research committee in the College of Public Health and Health Informatics at the King Saud Bin Abdulaziz University for Health Sciences (KSAU-HS) and thenafter reviewed and approval by the research committee in the King Abdullah International Medical Research Centre (KAIMRC) in the ministry of National Guard Health Affair, Riyadh, Kingdom of Saudi Arabia under the reference (SP 17/030/lR).
: Not applicable.
: The author declares they have no competing interests.