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Article History

Received: 18 November 2018

Accepted: 30 July 2019

First Online: 7 August 2019

Ethics approval and consent to participate

: Ethical approval for this study was obtained from The Committee for Ethics in Research Involving Human Subjects, For the Faculty of Medicine, Dental Medicine and Life Sciences, The Hebrew University, Jerusalem, Israel (approval number - 29072019).

: Not applicable.

: The authors declare that they have no competing interests.