Funding for this research was provided by:
Ministry of Science and Technology, Israel (Grant 53681, 2016-19)
The Hebrew University of Jerusalem (TUBITAK ARDEB Grant No 110E264, 2015-16.)
Text and Data Mining valid from 2018-09-07
Received: 26 May 2018
Revised: 9 July 2018
Accepted: 31 July 2018
First Online: 7 September 2018
Compliance with ethical standards
: The scientific guarantor of this publication is Prof. Leo Joskowicz.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the institutional review board.
: Institutional review board approval was obtained.
: • retrospective• experimental• performed at one institution