Text and Data Mining valid from 2019-01-29
Received: 25 November 2018
Accepted: 2 January 2019
First Online: 29 January 2019
Compliance with Ethical Standards
: Irit Allon, Marilena Vered declares, Ilana Kaplan declares that they have no conflict of interest.
: This article does not contain any studies with human participants performed by any of the authors.