Text and Data Mining valid from 2019-07-31
Received: 1 April 2019
Accepted: 19 July 2019
First Online: 31 July 2019
Ethics approval and consent to participate
: This is a retrospective case-control study that has been independently reviewed and approved by the Institutional Review Board of Tel-Aviv University 02.07.2012.Consent to participate was not required due to the retrospective nature of the research.
: Not applicable
: The authors declare that they have no competing interests.