Received: 22 January 2019
Accepted: 8 May 2019
First Online: 4 June 2019
Ethics approval and consent to participate
: Publication was approved by the Israel Ministry of Health. As per MoH policy, the article, which reports national aggregated data, publically available on the MoH website, was not subject to ethics committee approval.
: Not applicable.
: The authors declare that they have no competing interests.
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