Received: 20 June 2019
Accepted: 23 December 2019
First Online: 28 January 2020
Ethics approval and consent to participate
: We hereby declare that the data were collected by the Israel Central Bureau of Statistics, and are subject to that Bureau’s Ethics Committee. Informed consent was obtained from all individual participants in the present study.
: Not Applicable.
: The authors declare that they have no conflict of interests.