Received: 4 July 2019
Accepted: 18 June 2020
First Online: 26 June 2020
Ethics approval and consent to participate
: This study was approved by the Hadassah Helsinki committee chaired by Prof. Jacques Michel including approval that informed consent be obtained verbally before participation. The consent was audio-recorded in the presence of an independent witness. All data collected was kept in anonymously.
: Not applicable.
: The authors declare that they have no competing interests.