Received: 23 October 2020
Accepted: 28 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Istanbul University - Cerrahpasa (Approval number: 74555795–050.01.04- Approval date: 10.06.2020). Permission was obtained from the Republic of Turkey Ministry of Health and faculty administration for the use of patient data in our study. Because of the retrospective nature of the study, the requirement for written informed consent was waived and data used in this study was anonymised before its use.
: Not applicable.
: The authors declare that they have no competing interests.