Text and Data Mining valid from 2019-09-06
Received: 8 June 2019
Accepted: 30 August 2019
First Online: 6 September 2019
Ethics approval and consent to participate
: The research protocol was approved by the ethics committees of the Ben-Gurion University of the Negev number 20164 from February 2, 2016.
: Not applicable.
: The authors declare that they have no competing interests.