Received: 12 December 2019
Accepted: 23 January 2020
First Online: 5 February 2020
Ethics approval and consent to participate
: The parent study was approved by the Investigational Review Board at Baqiyatallah University of Medical Sciences (IR.BMSU.REC.1394.451). For the parent study, surrogate consent from the patient’s legal guardian or designated health proxy was permitted in cases where the patient did not have decision-making capacity. All patients that survived and regained their faculties were informed of the project.
: The informed consent included permission to present and publish de-identified results.
: The authors declare that they have no competing interests.